1	N5M	5-nitrocytidine 5'-(dihydrogen phosphate)	1.000
2	NDN	2'-deoxy-5-nitrouridine 5'-(dihydrogen phosphate)	0.880
3	NDU	2'-deoxy-5-nitrouridine 5'-monophosphate	0.880
4	0C	L-cytidine-5'-monophosphate	0.875
5	8XC	4-amino-1-(5-O-phosphono-beta-D-xylofuranosyl)pyrimidin-2(1h)-one	0.875
6	C	Cytidine-5'-monophosphate	0.875
7	C5P	Cytidine-5'-monophosphate	0.875
8	CAR	Cytosine arabinose-5'-phosphate	0.875
9	CH	N3-protonated cytidine-5'-monophosphate	0.875
10	IY0	[5-(4-azanyl-2-oxidanylidene-pyrimidin-1-yl)-3,4-bis(oxidanyl)furan-2-yl]methyl dihydrogen phosphate	0.875
11	RY	5'-3,6-dihydrocytidylic acid	0.875
12	5CF	5-fluorocytidine 5'-(dihydrogen phosphate)	0.840
13	5IC	5-iodo-cytidine-5'-monophosphate	0.840
14	5MC	5-methylcytidine-5'-monophosphate	0.840
15	B8Q	3-methyl, cytidine-5'-monophosphate	0.840
16	CBV	5-bromocytidine 5'-(dihydrogen phosphate)	0.840
17	JMH	3-methylcytidine- 5'-monophosphate	0.840
18	TKW	5-hydroxycytidine 5'-(dihydrogen phosphate)	0.840
19	0DC	2'-deoxy-L-ribo-furanosyl cytosine-5'-monophosphate	0.833
20	DC	2'-deoxycytidine-5'-monophosphate	0.833
21	DCM	2'-deoxycytidine-5'-monophosphate	0.833
22	DNR	2'-deoxy-n3-protonated cytidine-5'-monophosphate	0.833
23	IY9	[5-(4-azanyl-2-oxidanylidene-pyrimidin-1-yl)-3-oxidanyl-furan-2-yl]methyl dihydrogen phosphate	0.833
24	O2C	3'-deoxy-cytidine-5'-monophosphate	0.833
25	PYO	1-(beta-D-ribofuranosyl)-pyrimidin-2-one-5'-phosphate	0.833
26	XC	[(2~{R},3~{R},5~{R})-5-(6-azanyl-2-oxidanylidene-4,5-dihydropyrimidin-3-yl)-3-oxidanyl-oxolan-2-yl]methyl dihydrogen phosphate	0.833
27	5HM	5-(hydroxymethyl)cytidine 5'-(dihydrogen phosphate)	0.808
28	E3C	3-ethyl, cytidine-5'-monophosphate	0.808
29	MMX	3-ethyl-3,4,5,6-tetrahydrocytidine 5'-(dihydrogen phosphate)	0.808
30	RSQ	5-formylcytidine 5'-(dihydrogen phosphate)	0.808
31	0U	L-uridine-5'-monophosphate	0.800
32	1SC	5'-O-thiophosphonocytidine	0.800
33	2GF	[(2r,5r)-5-(4-amino-5-chloro-2-oxopyrimidin-1(2h)-yl)-3-oxotetrahydrofuran-2-yl]methyl dihydrogen phosphate	0.800
34	4SU	4-thiouridine-5'-monophosphate	0.800
35	4U3	5-chloro-2'-deoxycytidine 5'-(dihydrogen phosphate)	0.800
36	5CM	5-methyl-2'-deoxy-cytidine-5'-monophosphate	0.800
37	5OC	2'-deoxy-5-hydroxycytidine 5'-(dihydrogen phosphate)	0.800
38	8XU	1-(5-O-phosphono-beta-D-xylofuranosyl)pyrimidine-2,4(1h,3h)-dione	0.800
39	A5M	2'-amine-cytidine-5'-monophosphate	0.800
40	C37	5-fluoro-2'-deoxy-cytidine-5'-monophosphate	0.800
41	C38	5-iodo-2'-deoxy-cytidine-5'-monophosphate	0.800
42	CBR	5-bromo-2'-deoxy-cytidine-5'-monophosphate	0.800
43	CFL	4-amino-1-(2-deoxy-2-fluoro-5-O-phosphono-beta-D-arabinofuranosyl)pyrimidin-2(1h)-one	0.800
44	CFZ	2'-deoxy-2'-fluorocytidine 5'-(dihydrogen phosphate)	0.800
45	H2U	5,6-dihydrouridine-5'-monophosphate	0.800
46	IKS	[(2~{R},3~{S},4~{R},5~{R})-5-(4-azanyl-2-oxidanylidene-pyrimidin-1-yl)-3,4-bis(oxidanyl)selenolan-2-yl]methyl dihydrogen phosphate	0.800
47	ME6	[(2r,3s,5r)-5-(4-azanyl-3-methyl-2-oxo-pyrimidin-3-ium-1-yl)-3-hydroxy-oxolan-2-yl]methyl dihydrogen phosphate	0.800
48	OFC	4-amino-1-(2-deoxy-2-fluoro-5-O-phosphono-beta-L-ribofuranosyl)pyrimidin-2(1h)-one	0.800
49	RSP	4-amino-1-(5-O-phosphono-beta-D-ribofuranosyl)pyrimidine-2(1h)-thione	0.800
50	S4C	4'-thio-4'-deoxy-cytosine-5'-monophosphate	0.800
51	U	Uridine-5'-monophosphate	0.800
52	U48	5-methyl-2'-deoxy-n3-protonated cytidine-5'-monophosphate	0.800
53	U5P	Uridine-5'-monophosphate	0.800
54	UAR	Uracil arabinose-5'-phosphate	0.800
55	US5	1-(5-O-phosphono-beta-D-ribofuranosyl)-4-selanylpyrimidin-2(1h)-one	0.800
56	DOC	2',3'-dideoxycytidine-5'-monophosphate	0.792
57	Y5P	1-(5-O-phosphono-beta-D-ribofuranosyl)-1,4-dihydropyrimidine	0.792
58	Z	1-(2-deoxy-5-O-phosphono-beta-D-erythro-pentofuranosyl)pyrimidin-2(1h)-one	0.792
59	10C	4-amino-1-{2,5-anhydro-4-[(phosphonooxy)methyl]-alpha-L-lyxofuranosyl}pyrimidin-2(1h)-one	0.769
60	16B	N-hydroxycytidine 5'-(dihydrogen phosphate)	0.769
61	5BU	5-bromo-uridine-5'-monophosphate	0.769
62	5FC	5-formyl-2'-deoxy-cytidine-5'-monophosphate	0.769
63	5FU	5-fluoro-uridine-5'-monophosphate	0.769
64	5HC	2'-deoxy-5-(hydroxymethyl)cytidine 5'-(dihydrogen phosphate)	0.769
65	5MU	5-methyluridine 5'-monophosphate	0.769
66	5SE	2'-deoxy-5-(methylselanyl)cytidine 5'-(dihydrogen phosphate)	0.769
67	7OK	N-hydroxycytidine 5'-(dihydrogen phosphate) tautomer	0.769
68	A1BT7	2'-deoxy-5-fluoro-5-methyl-5,6-dihydrocytidine 5'-(dihydrogen phosphate)	0.769
69	A1L3O	5-hydroxyuridine 5'-phosphate	0.769
70	A1L82	[(2~{R},3~{S},5~{R})-5-[(2~{R},4~{R},5~{S})-4-azanyl-5-fluoranyl-5-methyl-2-oxidanyl-1,3-diazinan-1-yl]-3-oxidanyl-oxolan-2-yl]methyl dihydrogen phosphate	0.769
71	A6C	2-(4-amino-2-oxopyrimidin-1(2h)-yl)-1,5-anhydro-2-deoxy-6-O-phosphono-D-altritol	0.769
72	B8T	4-methyl, cytidine-5'-monophosphate	0.769
73	BMP	6-hydroxyuridine-5'-phosphate	0.769
74	BMQ	1-(5'-phospho-beta-D-ribofuranosyl)barbituric acid	0.769
75	CSL	(D)-2'-methylselenyl-2'-deoxycytidine-5'-phosphate	0.769
76	D5D	[(1s)-1-[(2s,3s,4r,5r)-5-[2,4-bis(oxidanylidene)-1,3-diazinan-1-yl]-3,4-bis(oxidanyl)oxolan-2-yl]ethyl] dihydrogen phosphate	0.769
77	IU	5-iodouridine-5'-monophosphate	0.769
78	MDQ	2'-deoxy-3-(oxidomethyl)cytidine 5'-(dihydrogen phosphate)	0.769
79	NIA	((2r,3s,4r,5r)-5-(5-amino-4-nitro-1h-imidazol-1-yl)-3,4-dihydroxytetrahydrofuran-2-yl)methyl dihydrogen phosphate	0.769
80	NUP	6-aminouridine 5'-monophosphate	0.769
81	OMC	O2'-methylycytidine-5'-monophosphate	0.769
82	S5P	6-sulfanyluridine-5'-phosphate	0.769
83	U6M	6-methyluridine 5'-(dihydrogen phosphate)	0.769
84	U7B	2'-deoxy-2'2'-difluorodeoxycytidine	0.769
85	UR3	3-methyluridine-5'-monophoshate	0.769
86	XE6	4-amino-1-(2-O-methyl-5-O-phosphono-beta-L-ribofuranosyl)pyrimidin-2(1h)-one	0.769
87	3KA	1-(2-deoxy-5-O-phosphono-beta-L-erythro-pentofuranosyl)pyrimidine-2,4(1h,3h)-dione	0.760
88	5NC	5-aza-cytidine-5'monophosphate	0.760
89	5PY	1-(2'-deoxy-5'-O-phosphono-beta-D-erythro-pentofuranosyl)-5-methylpyrimidin-2(1h)-one	0.760
90	9L3	[(2r,3s,5r)-5-(4-azanyl-5-methyl-pyrimidin-1-ium-1-yl)-3-oxidanyl-oxolan-2-yl]methyl dihydrogen phosphate	0.760
91	C42	3'-amino-2'-deoxy-cytidine-5'-monophosphate	0.760
92	C4S	2'-deoxy-4'-thiocytidine 5'-(dihydrogen phosphate)	0.760
93	C7R	2'-deoxy-5'-O-thiophosphonocytidine	0.760
94	C7S	2'-deoxy-5'-O-thiophosphonocytidine	0.760
95	CMR	2'-deoxy-cytidine-5'-rp-monomethylphosphonate	0.760
96	DDN	3,4-dihydro-2'-deoxyuridine-5'-monophosphate	0.760
97	DU	2'-deoxyuridine-5'-monophosphate	0.760
98	L2B	3'-deoxyuridine-5'-monophosphate	0.760
99	NP3	1-[2-deoxy-ribofuranosyl]-1h-[3-nitro-pyrrol]-5'-phosphate	0.760
100	SC	2-deoxy-cytidine-5'-thiophosphorate	0.760
101	UMC	2'-deoxy-5'-uridylic acid	0.760
102	UMP	2'-deoxyuridine 5'-monophosphate	0.760
103	1CC	5-carboxy-2'-deoxycytidine monophosphate	0.741
104	5PC	5(1-propynyl)-2'-deoxycytidine-5'-monophosphate	0.741
105	6CN	6-cyanouridine 5'-phosphate	0.741
106	A1BBB	5-(hydroxymethyl)uridine 5'-(dihydrogen phosphate)	0.741
107	C36	5-methyl-5-fluoro-2'-deoxy-cytidine-5'-monophosphate	0.741
108	C49	4-thio,5-fluoro,5-methyl-2'-deoxy-cytidine-5'-monophosphate	0.741
109	CNU	5-cyano-uridine-5'-monophosphate	0.741
110	EIX	[(2r,3s,5s)-5-[(4r,5r)-6-azanyl-5-fluoranyl-5-methyl-2-oxidanylidene-4-sulfanyl-4h-pyrimidin-3-yl]-3-oxidanyl-oxolan-2-yl]methyl dihydrogen phosphate	0.741
111	FMU	5-fluoro-5-methyluridine-5'-monophosphate	0.741
112	FNU	6-amino-5-fluorouridine 5'-(dihydrogen phosphate)	0.741
113	JMC	[(2~{R},3~{R},4~{R},5~{R})-5-(4-azanyl-3-methyl-2-oxidanylidene-4~{H}-pyrimidin-1-yl)-4-methoxy-3-oxidanyl-oxolan-2-yl]methyl dihydrogen phosphate	0.741
114	JW5	6-(hydroxymethyl)uridine 5'-(dihydrogen phosphate)	0.741
115	KEA	2'-azido-2'-deoxycytidine 5'-(dihydrogen phosphate)	0.741
116	LCC	[(1r,3r,4r,7s)-7-hydroxy-3-(5-methylcytosin-1-yl)-2,5-dioxabicyclo[2.2.1]hept-1-yl]methyl dihydrogen phosphate	0.741
117	LV2	[(2~{R},3~{S},4~{R},5~{R})-5-[4-(dimethylamino)-2-oxidanylidene-pyrimidin-1-yl]-3,4-bis(oxidanyl)oxolan-2-yl]methyl dihydrogen phosphate	0.741
118	M5Q	[(1s)-1-[(2s,3r,4r,5r)-5-(4-azanyl-2-oxidanylidene-pyrimidin-1-yl)-4-methoxy-3-oxidanyl-oxolan-2-yl]ethyl] dihydrogen phosphate	0.741
119	TDY	5-(methylamino)thymidine 5'-(dihydrogen phosphate)	0.741
120	U1P	6-[(E)-iminomethyl]uridine 5'-phosphate	0.741
121	UEP	6-ethyluridine 5'-phosphate	0.741
122	XFC	4-amino-1-(2-deoxy-2-fluoro-5-O-phosphono-beta-D-arabinofuranosyl)-2-oxo-1,2-dihydropyrimidine-5-carbaldehyde	0.741
123	0DT	2'-deoxy-L-ribo-furanosyl thymidine-5'-monophosphate	0.731
124	2AU	2'-aminouridine	0.731
125	3DU	4-hydroxy-1-(5-O-phosphono-beta-D-ribofuranosyl)pyridin-2(1h)-one	0.731
126	4SC	2'-deoxy-5-methyl-4'-thiocytidine 5'-(dihydrogen phosphate)	0.731
127	5IU	5-iodo-2'-deoxyuridine-5'-monophosphate	0.731
128	6F7	3'-deoxy-5-methyluridine 5'-(dihydrogen phosphate)	0.731
129	6HC	1',5'-anhydro-2',3'-dideoxy-2'-(cytosin-1-yl)-6'-O-phosphoryl-D-arabino-hexitol	0.731
130	73W	5'-O-[(dithiophosphono)]cytidine	0.731
131	7K8	[(2~{R},3~{S},5~{R})-5-[(4~{E})-4-hydroxyimino-2-oxidanylidene-1,3-diazinan-1-yl]-3-oxidanyl-oxolan-2-yl]methyl dihydrogen phosphate	0.731
132	A1IT3	2'-thiouridine-5'-monophosphate	0.731
133	BRU	5-bromo-2'-deoxyuridine-5'-monophosphate	0.731
134	C34	N4-methyl-2'-deoxy-cytidine-5'-monophosphate	0.731
135	DT	Thymidine-5'-monophosphate	0.731
136	EW3	[(2~{R},3~{R},4~{R},5~{R})-5-[2,4-bis(oxidanylidene)-1,3-diazinan-1-yl]-4-fluoranyl-3-oxidanyl-oxolan-2-yl]methyl dihydrogen phosphate	0.731
137	IC	Isocytidine-5'-monophosphate	0.731
138	ILK	[(2~{R},3~{S},4~{R},5~{R})-5-[2,4-bis(oxidanylidene)pyrimidin-1-yl]-3,4-bis(oxidanyl)selenolan-2-yl]methyl dihydrogen phosphate	0.731
139	MDK	4-amino-1-(2-deoxy-5-O-phosphono-beta-D-erythro-pentofuranosyl)-3-methylpyridin-2(1h)-one	0.731
140	MUM	5'-O-(dihydroxyphosphanyl)-5-methyl-5,6-dihydrouridine	0.731
141	NOH	2'-deoxy-N-hydroxycytidine 5'-(dihydrogen phosphate)	0.731
142	OHU	2'-deoxy-5-hydroxyuridine 5'-(dihydrogen phosphate)	0.731
143	OKN	5'-methyl-2'-deoxycytidine-5'-phosphorothioate	0.731
144	PBT	[3-hydroxy-5-(5-methyl-2,4-dioxotetrahydro-1(2h)-pyrimidinyl)tetrahydro-2-furanyl]methyl dihydrogen phosphate	0.731
145	QBT	[(2r,3s,5r)-3-hydroxy-5-[(5s)-5-methyl-2,4-dioxo-1,3-diazinan-1-yl]oxolan-2-yl]methyl dihydrogen phosphate	0.731
146	RUS	1-(5-O-phosphono-beta-D-ribofuranosyl)-2-selanylpyrimidin-4(1h)-one	0.731
147	SSU	Uridine-5'-phosphorothioate	0.731
148	SUR	1-(beta-D-ribofuranosyl)-2-thio-uracil-5'-phosphate	0.731
149	T4S	1-(2-deoxy-5-O-phosphono-beta-D-erythro-pentofuranosyl)-4-hydroseleno-5-methylpyrimidin-2(1h)-one	0.731
150	TJU	[(2~{R},3~{S},5~{R})-5-(4-azanyl-3-methyl-6-oxidanylidene-2~{H}-1,3,5-triazin-1-yl)-3-oxidanyl-oxolan-2-yl]methyl dihydrogen phosphite	0.731
151	TMP	Thymidine-5'-phosphate	0.731
152	TTI	2'-deoxy-5-telluroxouridine 5'-(dihydrogen phosphate)	0.731
153	U37	Uridine 5'-monothiophosphate	0.731
154	UCL	5-chloro-2'-deoxyuridine 5'-(dihydrogen phosphate)	0.731
155	UD5	5-fluorouridine	0.731
156	UF2	1-(2-deoxy-2-fluoro-5-O-phosphono-beta-D-arabinofuranosyl)pyrimidine-2,4(1h,3h)-dione	0.731
157	UFP	5-fluoro-2'-deoxyuridine-5'-monophosphate	0.731
158	UFT	2'-deoxy-2'-fluorouridine 5'-(dihydrogen phosphate)	0.731
159	UP6	6-aza uridine 5'-monophosphate	0.731
160	XCL	[(1s,4r,6r)-6-hydroxy-4-(cytosin-9-yl)cyclohex-2-en-1-yl]methyl dihydrogen phosphate	0.731
161	XCR	[(1r,4s,6s)-4-(4-amino-2-oxopyrimidin-1(2h)-yl)-6-hydroxycyclohex-2-en-1-yl]methyl dihydrogen phosphate	0.731
162	XCT	4-amino-1-(2,3-dideoxy-6-O-phosphono-beta-D-erythro-hexopyranosyl)pyrimidin-2(1h)-one	0.731
163	42E	[(2r,5s)-5-(4-amino-2-oxopyrimidin-1(2h)-yl)-1,3-oxathiolan-2-yl]methyl dihydrogen phosphate	0.720
164	CDW	(4r)-3-(2-deoxy-5-O-phosphono-beta-D-erythro-pentofuranosyl)-1,3-diazabicyclo[2.2.0]hex-5-en-2-one	0.720
165	UBB	2',3'-dideoxy-uridine-5'-monophosphate	0.720
166	1FC	4-amino-1-(2-deoxy-2-fluoro-5-O-phosphono-beta-D-arabinofuranosyl)-2-oxo-1,2-dihydropyrimidine-5-carboxylic acid	0.714
167	2OM	5,6-dihydroorotidine 5'-monophosphate	0.714
168	4AC	N(4)-acetylcytidine-5'-monophosphate	0.714
169	6AU	6-acetyluridine 5'-phosphate	0.714
170	6AZ	6-azidouridine 5'-(dihydrogen phosphate)	0.714
171	8OP	[(2r,3s,4r,5r)-5-(6-azanyl-8-oxo-7h-purin-9-yl)-3,4-dihydroxy-oxolan-2-yl]methyl dihydrogen phosphate	0.714
172	I4U	4-isopropyl, uridine-5'-monophosphate	0.714
173	M5M	2'-(N-acetamide)-cytidine-5'-monophosphate	0.714
174	MNU	(2r,4s)-1-[(4r)-3,4-dihydroxytetrahydrofuran-2-yl]-5-[(methylamino)methyl]-1,2,3,4-tetrahydropyrimidine-2,4-diol-5'-mon ophosphate	0.714
175	OMP	Orotidine-5'-monophosphate	0.714
176	P4U	4-propyl, uridine-5'-monophosphate	0.714
177	QRT	[(2~{R},3~{S},4~{R},5~{R})-5-[6-aminocarbonyl-2,4-bis(oxidanylidene)pyrimidin-1-yl]-3,4-bis(oxidanyl)oxolan-2-yl]methyl dihydrogen phosphate	0.714
178	QRZ	[(2~{R},3~{S},4~{R},5~{R})-5-[6-carbamothioyl-2,4-bis(oxidanylidene)pyrimidin-1-yl]-3,4-bis(oxidanyl)oxolan-2-yl]methyl dihydrogen phosphate	0.714
179	0U1	2'-methylselenyl-2'-deoxy-L-uridine-5'-monophosphate	0.704
180	5DB	1-(2-deoxy-5-O-phosphono-beta-D-erythro-pentofuranosyl)-4-methoxy-5-methylpyrimidin-2(1h)-one	0.704
181	5HU	5-hydroxymethyluridine-2'-deoxy-5'-monophosphate	0.704
182	64P	5-aminothymidine 5'-(dihydrogen phosphate)	0.704
183	64T	5-hydroxy-thymidine-5'-monophosphate	0.704
184	6OO	2'-O-methyl-5'-O-thiophosphonocytidine	0.704
185	A1I9V	5-methyl-2-thio-uridine-5'-monophosphate	0.704
186	A1IT4	1-(beta-D-ribofuranosyl)cyanuric acid-5'-monophosphate	0.704
187	A1L9Q	4-azanyl-1-[(2~{R},3~{R},4~{R},5~{R})-3-methoxy-4-oxidanyl-5-[[tris(oxidanyl)-$L^{5}-phosphanyl]oxymethyl]oxolan-2-yl]pyrimidine-2-thione	0.704
188	A6U	1,5-anhydro-2-deoxy-2-(2,4-dioxo-3,4-dihydropyrimidin-1(2h)-yl)-6-O-phosphono-D-altritol	0.704
189	C45	N4-methoxy-2'-deoxy-cytidine-5'-monophosphate	0.704
190	D00	2'-deoxy-N-ethylcytidine 5'-(dihydrogen phosphate)	0.704
191	EDC	N3,n4-etheno-2'-deoxycytidine-5'-monophosphate	0.704
192	JDT	2'-deoxy-5-ethyluridine 5'-(dihydrogen phosphate)	0.704
193	K5X	[(2~{R},3~{R},4~{R},5~{R})-5-[2,4-bis(oxidanylidene)pyrimidin-1-yl]-4-fluoranyl-4-methyl-3-oxidanyl-oxolan-2-yl]methyl dihydrogen phosphate	0.704
194	KBC	[(2~{R},3~{S},5~{R})-5-[2,4-bis(oxidanylidene)pyrimidin-1-yl]-2-methoxy-3-oxidanyl-oxolan-2-yl]methyl dihydrogen phosphate	0.704
195	MDJ	4-amino-1-(2-deoxy-5-O-phosphono-beta-D-erythro-pentofuranosyl)-3-(hydroxymethyl)pyridin-2(1h)-one	0.704
196	MFT	3-methylthymidine 5'-(dihydrogen phosphate)	0.704
197	OKQ	2'-O-methylcytidine-5'-phosphorothioate	0.704
198	OMU	O2'-methyluridine 5'-monophosphate	0.704
199	T5O	2'-deoxy-5-methoxyuridine 5'-(dihydrogen phosphate)	0.704
200	T5S	2'-deoxy-5-(methylselanyl)uridine 5'-phosphate	0.704
201	TAF	2'-deoxy-2'-fluoro-arabino-furanosyl thymine-5'-phosphate	0.704
202	U4M	1-{2,5-dideoxy-2-fluoro-4-[(phosphonooxy)methyl]-alpha-L-lyxofuranosyl}pyrimidine-2,4(1h,3h)-dione	0.704
203	U5M	1-(2,6-dideoxy-2-fluoro-5-O-phosphono-alpha-L-talofuranosyl)pyrimidine-2,4(1h,3h)-dione	0.704
204	U5R	1-(2,6-dideoxy-2-fluoro-5-O-phosphono-beta-D-allofuranosyl)pyrimidine-2,4(1h,3h)-dione	0.704
205	UFR	2'-deoxy-5-formyluridine 5'-(dihydrogen phosphate)	0.704
206	UMS	2'-methylselenyl-2'-deoxyuridine-5'-phosphate	0.704
207	US2	2'-deoxy-5-(methylsulfanyl)uridine 5'-(dihydrogen phosphate)	0.704
208	USM	2'-S-methyl-2'-thiouridine 5'-(dihydrogen phosphate)	0.704
209	XEC	1-(2-O-methyl-5-O-phosphono-beta-L-ribofuranosyl)pyrimidine-2,4(1h,3h)-dione	0.704
210	A1I59	[(2~{R},3~{S},4~{R},5~{R})-5-[4-azanyl-5-[(1~{S})-1-azanyl-3,3-bis(oxidanyl)propyl]-2-oxidanylidene-pyrimidin-1-yl]-3,4-bis(oxidanyl)oxolan-2-yl]methyl dihydrogen phosphate	0.700