1	C31	2'-O-3-aminopropyl cytidine-5'-monophosphate	1.000
2	U31	2'-O-3-aminopropyl 2'-deoxyuridine-5'-monophosphate	0.923
3	OMC	O2'-methylycytidine-5'-monophosphate	0.880
4	XE6	4-amino-1-(2-O-methyl-5-O-phosphono-beta-L-ribofuranosyl)pyrimidin-2(1h)-one	0.880
5	2AT	2'-O-allyl thymidine-5'-monophosphate	0.852
6	2GT	2'-O-propargyl thymidine-5'-monophosphate	0.852
7	C43	2'-O-methyoxyethyl-cytidine-5'-monophosphate	0.852
8	P2T	2'-O-propyl thymidine-5-monophosphate	0.852
9	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	0.846
10	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	0.846
11	2BT	2'-O-butyl-thymidine	0.821
12	C5L	2'-O-(2-methoxyethyl)-5-methylcytidine 5'-(dihydrogen phosphate)	0.821
13	6OO	2'-O-methyl-5'-O-thiophosphonocytidine	0.808
14	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	0.808
15	OKQ	2'-O-methylcytidine-5'-phosphorothioate	0.808
16	OMU	O2'-methyluridine 5'-monophosphate	0.808
17	XEC	1-(2-O-methyl-5-O-phosphono-beta-L-ribofuranosyl)pyrimidine-2,4(1h,3h)-dione	0.808
18	0DC	2'-deoxy-L-ribo-furanosyl cytosine-5'-monophosphate	0.800
19	DC	2'-deoxycytidine-5'-monophosphate	0.800
20	DCM	2'-deoxycytidine-5'-monophosphate	0.800
21	DNR	2'-deoxy-n3-protonated cytidine-5'-monophosphate	0.800
22	IY9	[5-(4-azanyl-2-oxidanylidene-pyrimidin-1-yl)-3-oxidanyl-furan-2-yl]methyl dihydrogen phosphate	0.800
23	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	0.800
24	125	2'-O-fluoroethyl-5-methyl-uridine-5'-monophosphate	0.786
25	B9H	2'-methyl, 3-propyl, cytidine-5'-monophosphate	0.786
26	U36	2'-O-methyoxyethyl-uridine-5'-monophosphate	0.786
27	2MU	2',5-dimethyluridine-5'-monophosphate	0.778
28	4OC	4n,o2'-methylcytidine-5'-monophosphate	0.778
29	A1IC1	[(2~{R},3~{R},4~{R},5~{R})-4-methoxy-5-[3-methyl-2,4-bis(oxidanylidene)pyrimidin-1-yl]-3-oxidanyl-oxolan-2-yl]methyl dihydrogen phosphite	0.778
30	T41	1-(2-O-methyl-beta-D-arabinofuranosyl)thymidine 5'-monophosphate	0.778
31	0C	L-cytidine-5'-monophosphate	0.769
32	2GF	[(2r,5r)-5-(4-amino-5-chloro-2-oxopyrimidin-1(2h)-yl)-3-oxotetrahydrofuran-2-yl]methyl dihydrogen phosphate	0.769
33	4U3	5-chloro-2'-deoxycytidine 5'-(dihydrogen phosphate)	0.769
34	5CM	5-methyl-2'-deoxy-cytidine-5'-monophosphate	0.769
35	5OC	2'-deoxy-5-hydroxycytidine 5'-(dihydrogen phosphate)	0.769
36	8XC	4-amino-1-(5-O-phosphono-beta-D-xylofuranosyl)pyrimidin-2(1h)-one	0.769
37	A5M	2'-amine-cytidine-5'-monophosphate	0.769
38	C	Cytidine-5'-monophosphate	0.769
39	C37	5-fluoro-2'-deoxy-cytidine-5'-monophosphate	0.769
40	C38	5-iodo-2'-deoxy-cytidine-5'-monophosphate	0.769
41	C5P	Cytidine-5'-monophosphate	0.769
42	CAR	Cytosine arabinose-5'-phosphate	0.769
43	CBR	5-bromo-2'-deoxy-cytidine-5'-monophosphate	0.769
44	CFL	4-amino-1-(2-deoxy-2-fluoro-5-O-phosphono-beta-D-arabinofuranosyl)pyrimidin-2(1h)-one	0.769
45	CFZ	2'-deoxy-2'-fluorocytidine 5'-(dihydrogen phosphate)	0.769
46	CH	N3-protonated cytidine-5'-monophosphate	0.769
47	IY0	[5-(4-azanyl-2-oxidanylidene-pyrimidin-1-yl)-3,4-bis(oxidanyl)furan-2-yl]methyl dihydrogen phosphate	0.769
48	ME6	[(2r,3s,5r)-5-(4-azanyl-3-methyl-2-oxo-pyrimidin-3-ium-1-yl)-3-hydroxy-oxolan-2-yl]methyl dihydrogen phosphate	0.769
49	OFC	4-amino-1-(2-deoxy-2-fluoro-5-O-phosphono-beta-L-ribofuranosyl)pyrimidin-2(1h)-one	0.769
50	RY	5'-3,6-dihydrocytidylic acid	0.769
51	U48	5-methyl-2'-deoxy-n3-protonated cytidine-5'-monophosphate	0.769
52	DOC	2',3'-dideoxycytidine-5'-monophosphate	0.760
53	Z	1-(2-deoxy-5-O-phosphono-beta-D-erythro-pentofuranosyl)pyrimidin-2(1h)-one	0.760
54	127	2'-O-aminooxy-ethyl-5-methyl-uridine-5'-monophosphate	0.759
55	5JO	2'-O-prop-2-yn-1-yladenosine 5'-(dihydrogen phosphate)	0.759
56	N7X	5'-O-[(R)-hydroxy(sulfanylidene)-lambda~5~-phosphanyl]-2'-O-(2-methoxyethyl)-5-methylcytidine	0.759
57	SMT	2'-[(methylthio)ethyloxy]-thymidine-5'-monophosphate	0.759
58	T39	2'-O-methoxyethylene thymidine 5'-monophosphate	0.759
59	QSK	[(2~{R},3~{R},4~{R},5~{R})-5-(4-azanyl-2-oxidanylidene-pyrimidin-1-yl)-3-oxidanyl-4-(trifluoromethyloxy)oxolan-2-yl]methoxyphosphinic acid	0.750
60	UOA	[(2r,3s,4r,5r)-5-(2,4-dioxo-3,4-dihydropyrimidin-1(2h)-yl)-3-hydroxy-2,4-dimethoxytetrahydrofuran-2-yl]methyl dihydrogen phosphate (non-preferred name)	0.750
61	UOB	2'-ome,4'beta-ome uridine 5'-(dihydrogen phosphate)	0.750
62	10C	4-amino-1-{2,5-anhydro-4-[(phosphonooxy)methyl]-alpha-L-lyxofuranosyl}pyrimidin-2(1h)-one	0.741
63	5CF	5-fluorocytidine 5'-(dihydrogen phosphate)	0.741
64	5FC	5-formyl-2'-deoxy-cytidine-5'-monophosphate	0.741
65	5HC	2'-deoxy-5-(hydroxymethyl)cytidine 5'-(dihydrogen phosphate)	0.741
66	5IC	5-iodo-cytidine-5'-monophosphate	0.741
67	5MC	5-methylcytidine-5'-monophosphate	0.741
68	5SE	2'-deoxy-5-(methylselanyl)cytidine 5'-(dihydrogen phosphate)	0.741
69	A1BT7	2'-deoxy-5-fluoro-5-methyl-5,6-dihydrocytidine 5'-(dihydrogen phosphate)	0.741
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	0.741
71	B8Q	3-methyl, cytidine-5'-monophosphate	0.741
72	CBV	5-bromocytidine 5'-(dihydrogen phosphate)	0.741
73	CSL	(D)-2'-methylselenyl-2'-deoxycytidine-5'-phosphate	0.741
74	JMH	3-methylcytidine- 5'-monophosphate	0.741
75	MDQ	2'-deoxy-3-(oxidomethyl)cytidine 5'-(dihydrogen phosphate)	0.741
76	OKT	2'-O-methyluridine-5'-phosphorothioate	0.741
77	TKW	5-hydroxycytidine 5'-(dihydrogen phosphate)	0.741
78	U7B	2'-deoxy-2'2'-difluorodeoxycytidine	0.741
79	NMS	1-(o2-(2-methylamino-2-oxo-ethyl)-o5-hydroxyphosphinyl-beta-D-ribofuranosyl)thymine	0.733
80	TFE	2'-O-[2-(trifluoro)ethyl] thymidine-5'-monophosphate	0.733
81	3KA	1-(2-deoxy-5-O-phosphono-beta-L-erythro-pentofuranosyl)pyrimidine-2,4(1h,3h)-dione	0.731
82	5NC	5-aza-cytidine-5'monophosphate	0.731
83	5PY	1-(2'-deoxy-5'-O-phosphono-beta-D-erythro-pentofuranosyl)-5-methylpyrimidin-2(1h)-one	0.731
84	9L3	[(2r,3s,5r)-5-(4-azanyl-5-methyl-pyrimidin-1-ium-1-yl)-3-oxidanyl-oxolan-2-yl]methyl dihydrogen phosphate	0.731
85	C42	3'-amino-2'-deoxy-cytidine-5'-monophosphate	0.731
86	C4S	2'-deoxy-4'-thiocytidine 5'-(dihydrogen phosphate)	0.731
87	C7R	2'-deoxy-5'-O-thiophosphonocytidine	0.731
88	C7S	2'-deoxy-5'-O-thiophosphonocytidine	0.731
89	CMR	2'-deoxy-cytidine-5'-rp-monomethylphosphonate	0.731
90	DDN	3,4-dihydro-2'-deoxyuridine-5'-monophosphate	0.731
91	DU	2'-deoxyuridine-5'-monophosphate	0.731
92	O2C	3'-deoxy-cytidine-5'-monophosphate	0.731
93	PYO	1-(beta-D-ribofuranosyl)-pyrimidin-2-one-5'-phosphate	0.731
94	SC	2-deoxy-cytidine-5'-thiophosphorate	0.731
95	UMC	2'-deoxy-5'-uridylic acid	0.731
96	UMP	2'-deoxyuridine 5'-monophosphate	0.731
97	LHH	[(2~{R},3~{R},4~{R},5~{R})-5-(4-acetamido-2-oxidanylidene-pyrimidin-1-yl)-4-methoxy-3-oxidanyl-oxolan-2-yl]methyl dihydrogen phosphate	0.724
98	1CC	5-carboxy-2'-deoxycytidine monophosphate	0.714
99	5HM	5-(hydroxymethyl)cytidine 5'-(dihydrogen phosphate)	0.714
100	5PC	5(1-propynyl)-2'-deoxycytidine-5'-monophosphate	0.714
101	C36	5-methyl-5-fluoro-2'-deoxy-cytidine-5'-monophosphate	0.714
102	C49	4-thio,5-fluoro,5-methyl-2'-deoxy-cytidine-5'-monophosphate	0.714
103	E3C	3-ethyl, cytidine-5'-monophosphate	0.714
104	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	0.714
105	KEA	2'-azido-2'-deoxycytidine 5'-(dihydrogen phosphate)	0.714
106	LCC	[(1r,3r,4r,7s)-7-hydroxy-3-(5-methylcytosin-1-yl)-2,5-dioxabicyclo[2.2.1]hept-1-yl]methyl dihydrogen phosphate	0.714
107	MMX	3-ethyl-3,4,5,6-tetrahydrocytidine 5'-(dihydrogen phosphate)	0.714
108	RSQ	5-formylcytidine 5'-(dihydrogen phosphate)	0.714
109	T23	2'-O-methyl-3'-methyl-3'-deoxy-arabinofuranosyl-thymine-5'-phosphate	0.714
110	XFC	4-amino-1-(2-deoxy-2-fluoro-5-O-phosphono-beta-D-arabinofuranosyl)-2-oxo-1,2-dihydropyrimidine-5-carbaldehyde	0.714
111	2NT	2'-O-[2-[hydroxy(methyleneamino)oxy]ethyl thymidine-5'-monophosphate	0.710
112	2OT	2'-O-[2-(N,N-dimethylaminooxy)ethyl] thymidine-5'-monophosphate	0.710
113	GMU	2'-O-[(2-guanidinium)ethyl]-5-methyluridine 5'-monophosphate	0.710
114	0DT	2'-deoxy-L-ribo-furanosyl thymidine-5'-monophosphate	0.704
115	0U	L-uridine-5'-monophosphate	0.704
116	1SC	5'-O-thiophosphonocytidine	0.704
117	2AU	2'-aminouridine	0.704
118	4SC	2'-deoxy-5-methyl-4'-thiocytidine 5'-(dihydrogen phosphate)	0.704
119	4SU	4-thiouridine-5'-monophosphate	0.704
120	5IU	5-iodo-2'-deoxyuridine-5'-monophosphate	0.704
121	6HC	1',5'-anhydro-2',3'-dideoxy-2'-(cytosin-1-yl)-6'-O-phosphoryl-D-arabino-hexitol	0.704
122	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	0.704
123	8XU	1-(5-O-phosphono-beta-D-xylofuranosyl)pyrimidine-2,4(1h,3h)-dione	0.704
124	A1IT3	2'-thiouridine-5'-monophosphate	0.704
125	BRU	5-bromo-2'-deoxyuridine-5'-monophosphate	0.704
126	C34	N4-methyl-2'-deoxy-cytidine-5'-monophosphate	0.704
127	DT	Thymidine-5'-monophosphate	0.704
128	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	0.704
129	H2U	5,6-dihydrouridine-5'-monophosphate	0.704
130	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	0.704
131	MDK	4-amino-1-(2-deoxy-5-O-phosphono-beta-D-erythro-pentofuranosyl)-3-methylpyridin-2(1h)-one	0.704
132	NOH	2'-deoxy-N-hydroxycytidine 5'-(dihydrogen phosphate)	0.704
133	OHU	2'-deoxy-5-hydroxyuridine 5'-(dihydrogen phosphate)	0.704
134	OKN	5'-methyl-2'-deoxycytidine-5'-phosphorothioate	0.704
135	PBT	[3-hydroxy-5-(5-methyl-2,4-dioxotetrahydro-1(2h)-pyrimidinyl)tetrahydro-2-furanyl]methyl dihydrogen phosphate	0.704
136	QBT	[(2r,3s,5r)-3-hydroxy-5-[(5s)-5-methyl-2,4-dioxo-1,3-diazinan-1-yl]oxolan-2-yl]methyl dihydrogen phosphate	0.704
137	RSP	4-amino-1-(5-O-phosphono-beta-D-ribofuranosyl)pyrimidine-2(1h)-thione	0.704
138	S4C	4'-thio-4'-deoxy-cytosine-5'-monophosphate	0.704
139	T4S	1-(2-deoxy-5-O-phosphono-beta-D-erythro-pentofuranosyl)-4-hydroseleno-5-methylpyrimidin-2(1h)-one	0.704
140	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	0.704
141	TMP	Thymidine-5'-phosphate	0.704
142	TTI	2'-deoxy-5-telluroxouridine 5'-(dihydrogen phosphate)	0.704
143	U	Uridine-5'-monophosphate	0.704
144	U5P	Uridine-5'-monophosphate	0.704
145	UAR	Uracil arabinose-5'-phosphate	0.704
146	UCL	5-chloro-2'-deoxyuridine 5'-(dihydrogen phosphate)	0.704
147	UF2	1-(2-deoxy-2-fluoro-5-O-phosphono-beta-D-arabinofuranosyl)pyrimidine-2,4(1h,3h)-dione	0.704
148	UFP	5-fluoro-2'-deoxyuridine-5'-monophosphate	0.704
149	UFT	2'-deoxy-2'-fluorouridine 5'-(dihydrogen phosphate)	0.704
150	US5	1-(5-O-phosphono-beta-D-ribofuranosyl)-4-selanylpyrimidin-2(1h)-one	0.704
151	XCL	[(1s,4r,6r)-6-hydroxy-4-(cytosin-9-yl)cyclohex-2-en-1-yl]methyl dihydrogen phosphate	0.704
152	XCR	[(1r,4s,6s)-4-(4-amino-2-oxopyrimidin-1(2h)-yl)-6-hydroxycyclohex-2-en-1-yl]methyl dihydrogen phosphate	0.704
153	XCT	4-amino-1-(2,3-dideoxy-6-O-phosphono-beta-D-erythro-hexopyranosyl)pyrimidin-2(1h)-one	0.704
154	NMT	1-(o2-(methylcarbamoyl)-o5-hydroxyphosphinyl-beta-D-ribofuranosyl)thymine	0.700
155	S2M	2'-O-[2-(methoxy)ethyl]-2-thiothymidine-5'-monophosphate	0.700
156	T38	2'-O-ethoxymethylene thymidine 5'-monophosphate	0.700