1	C5L	2'-O-(2-methoxyethyl)-5-methylcytidine 5'-(dihydrogen phosphate)	1.000
2	C43	2'-O-methyoxyethyl-cytidine-5'-monophosphate	0.962
3	N7X	5'-O-[(R)-hydroxy(sulfanylidene)-lambda~5~-phosphanyl]-2'-O-(2-methoxyethyl)-5-methylcytidine	0.926
4	T39	2'-O-methoxyethylene thymidine 5'-monophosphate	0.926
5	U36	2'-O-methyoxyethyl-uridine-5'-monophosphate	0.889
6	127	2'-O-aminooxy-ethyl-5-methyl-uridine-5'-monophosphate	0.857
7	S2M	2'-O-[2-(methoxy)ethyl]-2-thiothymidine-5'-monophosphate	0.857
8	OMC	O2'-methylycytidine-5'-monophosphate	0.846
9	XE6	4-amino-1-(2-O-methyl-5-O-phosphono-beta-L-ribofuranosyl)pyrimidin-2(1h)-one	0.846
10	125	2'-O-fluoroethyl-5-methyl-uridine-5'-monophosphate	0.821
11	2AT	2'-O-allyl thymidine-5'-monophosphate	0.821
12	2GT	2'-O-propargyl thymidine-5'-monophosphate	0.821
13	C31	2'-O-3-aminopropyl cytidine-5'-monophosphate	0.821
14	P2T	2'-O-propyl thymidine-5-monophosphate	0.821
15	2MU	2',5-dimethyluridine-5'-monophosphate	0.815
16	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	0.815
17	T41	1-(2-O-methyl-beta-D-arabinofuranosyl)thymidine 5'-monophosphate	0.815
18	5CM	5-methyl-2'-deoxy-cytidine-5'-monophosphate	0.808
19	U48	5-methyl-2'-deoxy-n3-protonated cytidine-5'-monophosphate	0.808
20	3ME	2'-O-{2-[2-(dimethylamino)ethoxy]ethyl}-5-methyluridine 5'-(dihydrogen phosphate)	0.806
21	2NT	2'-O-[2-[hydroxy(methyleneamino)oxy]ethyl thymidine-5'-monophosphate	0.800
22	2OT	2'-O-[2-(N,N-dimethylaminooxy)ethyl] thymidine-5'-monophosphate	0.800
23	2BT	2'-O-butyl-thymidine	0.793
24	SMT	2'-[(methylthio)ethyloxy]-thymidine-5'-monophosphate	0.793
25	5FC	5-formyl-2'-deoxy-cytidine-5'-monophosphate	0.778
26	5HC	2'-deoxy-5-(hydroxymethyl)cytidine 5'-(dihydrogen phosphate)	0.778
27	5MC	5-methylcytidine-5'-monophosphate	0.778
28	6OO	2'-O-methyl-5'-O-thiophosphonocytidine	0.778
29	OKQ	2'-O-methylcytidine-5'-phosphorothioate	0.778
30	OMU	O2'-methyluridine 5'-monophosphate	0.778
31	XEC	1-(2-O-methyl-5-O-phosphono-beta-L-ribofuranosyl)pyrimidine-2,4(1h,3h)-dione	0.778
32	0DC	2'-deoxy-L-ribo-furanosyl cytosine-5'-monophosphate	0.769
33	5PY	1-(2'-deoxy-5'-O-phosphono-beta-D-erythro-pentofuranosyl)-5-methylpyrimidin-2(1h)-one	0.769
34	9L3	[(2r,3s,5r)-5-(4-azanyl-5-methyl-pyrimidin-1-ium-1-yl)-3-oxidanyl-oxolan-2-yl]methyl dihydrogen phosphate	0.769
35	DC	2'-deoxycytidine-5'-monophosphate	0.769
36	DCM	2'-deoxycytidine-5'-monophosphate	0.769
37	DNR	2'-deoxy-n3-protonated cytidine-5'-monophosphate	0.769
38	IY9	[5-(4-azanyl-2-oxidanylidene-pyrimidin-1-yl)-3-oxidanyl-furan-2-yl]methyl dihydrogen phosphate	0.769
39	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	0.769
40	A44	2'-O-methyoxyethyl-adenosine 5'-monophosphate	0.767
41	NMS	1-(o2-(2-methylamino-2-oxo-ethyl)-o5-hydroxyphosphinyl-beta-D-ribofuranosyl)thymine	0.767
42	TFE	2'-O-[2-(trifluoro)ethyl] thymidine-5'-monophosphate	0.767
43	B9H	2'-methyl, 3-propyl, cytidine-5'-monophosphate	0.759
44	U31	2'-O-3-aminopropyl 2'-deoxyuridine-5'-monophosphate	0.759
45	126	2'-O-methyl-[tri(oxyethyl)]-5-methyl-uridine-5'-monophosphate	0.758
46	BOE	2'-O-[2-(benzyloxy)ethyl] thymidine-5'-monophosphate	0.758
47	1CC	5-carboxy-2'-deoxycytidine monophosphate	0.750
48	4OC	4n,o2'-methylcytidine-5'-monophosphate	0.750
49	5HM	5-(hydroxymethyl)cytidine 5'-(dihydrogen phosphate)	0.750
50	5PC	5(1-propynyl)-2'-deoxycytidine-5'-monophosphate	0.750
51	C36	5-methyl-5-fluoro-2'-deoxy-cytidine-5'-monophosphate	0.750
52	C49	4-thio,5-fluoro,5-methyl-2'-deoxy-cytidine-5'-monophosphate	0.750
53	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	0.750
54	LCC	[(1r,3r,4r,7s)-7-hydroxy-3-(5-methylcytosin-1-yl)-2,5-dioxabicyclo[2.2.1]hept-1-yl]methyl dihydrogen phosphate	0.750
55	RSQ	5-formylcytidine 5'-(dihydrogen phosphate)	0.750
56	T23	2'-O-methyl-3'-methyl-3'-deoxy-arabinofuranosyl-thymine-5'-phosphate	0.750
57	XFC	4-amino-1-(2-deoxy-2-fluoro-5-O-phosphono-beta-D-arabinofuranosyl)-2-oxo-1,2-dihydropyrimidine-5-carbaldehyde	0.750
58	G48	2'-O-methyoxyethyl-guanosine-5'-monophosphate	0.742
59	GMU	2'-O-[(2-guanidinium)ethyl]-5-methyluridine 5'-monophosphate	0.742
60	0C	L-cytidine-5'-monophosphate	0.741
61	0DT	2'-deoxy-L-ribo-furanosyl thymidine-5'-monophosphate	0.741
62	2GF	[(2r,5r)-5-(4-amino-5-chloro-2-oxopyrimidin-1(2h)-yl)-3-oxotetrahydrofuran-2-yl]methyl dihydrogen phosphate	0.741
63	4SC	2'-deoxy-5-methyl-4'-thiocytidine 5'-(dihydrogen phosphate)	0.741
64	4U3	5-chloro-2'-deoxycytidine 5'-(dihydrogen phosphate)	0.741
65	5OC	2'-deoxy-5-hydroxycytidine 5'-(dihydrogen phosphate)	0.741
66	8XC	4-amino-1-(5-O-phosphono-beta-D-xylofuranosyl)pyrimidin-2(1h)-one	0.741
67	A5M	2'-amine-cytidine-5'-monophosphate	0.741
68	C	Cytidine-5'-monophosphate	0.741
69	C37	5-fluoro-2'-deoxy-cytidine-5'-monophosphate	0.741
70	C38	5-iodo-2'-deoxy-cytidine-5'-monophosphate	0.741
71	C5P	Cytidine-5'-monophosphate	0.741
72	CAR	Cytosine arabinose-5'-phosphate	0.741
73	CBR	5-bromo-2'-deoxy-cytidine-5'-monophosphate	0.741
74	CFL	4-amino-1-(2-deoxy-2-fluoro-5-O-phosphono-beta-D-arabinofuranosyl)pyrimidin-2(1h)-one	0.741
75	CFZ	2'-deoxy-2'-fluorocytidine 5'-(dihydrogen phosphate)	0.741
76	CH	N3-protonated cytidine-5'-monophosphate	0.741
77	DT	Thymidine-5'-monophosphate	0.741
78	IY0	[5-(4-azanyl-2-oxidanylidene-pyrimidin-1-yl)-3,4-bis(oxidanyl)furan-2-yl]methyl dihydrogen phosphate	0.741
79	ME6	[(2r,3s,5r)-5-(4-azanyl-3-methyl-2-oxo-pyrimidin-3-ium-1-yl)-3-hydroxy-oxolan-2-yl]methyl dihydrogen phosphate	0.741
80	OFC	4-amino-1-(2-deoxy-2-fluoro-5-O-phosphono-beta-L-ribofuranosyl)pyrimidin-2(1h)-one	0.741
81	OKN	5'-methyl-2'-deoxycytidine-5'-phosphorothioate	0.741
82	PBT	[3-hydroxy-5-(5-methyl-2,4-dioxotetrahydro-1(2h)-pyrimidinyl)tetrahydro-2-furanyl]methyl dihydrogen phosphate	0.741
83	QBT	[(2r,3s,5r)-3-hydroxy-5-[(5s)-5-methyl-2,4-dioxo-1,3-diazinan-1-yl]oxolan-2-yl]methyl dihydrogen phosphate	0.741
84	RY	5'-3,6-dihydrocytidylic acid	0.741
85	T4S	1-(2-deoxy-5-O-phosphono-beta-D-erythro-pentofuranosyl)-4-hydroseleno-5-methylpyrimidin-2(1h)-one	0.741
86	TMP	Thymidine-5'-phosphate	0.741
87	NMT	1-(o2-(methylcarbamoyl)-o5-hydroxyphosphinyl-beta-D-ribofuranosyl)thymine	0.733
88	T38	2'-O-ethoxymethylene thymidine 5'-monophosphate	0.733
89	DOC	2',3'-dideoxycytidine-5'-monophosphate	0.731
90	Z	1-(2-deoxy-5-O-phosphono-beta-D-erythro-pentofuranosyl)pyrimidin-2(1h)-one	0.731
91	1FC	4-amino-1-(2-deoxy-2-fluoro-5-O-phosphono-beta-D-arabinofuranosyl)-2-oxo-1,2-dihydropyrimidine-5-carboxylic acid	0.724
92	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	0.724
93	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)	0.724
94	UOB	2'-ome,4'beta-ome uridine 5'-(dihydrogen phosphate)	0.724
95	EIT	((3r,4r,5r)-4-(2-(1h-imidazol-1-yl)ethoxy)-3-hydroxy-5-(5-methyl-2,4-dioxo-3,4-dihydropyrimidin-1(2h)-yl)-tetrahydrofuran-2-yl)methyl dihydrogen phosphate	0.719
96	10C	4-amino-1-{2,5-anhydro-4-[(phosphonooxy)methyl]-alpha-L-lyxofuranosyl}pyrimidin-2(1h)-one	0.714
97	5CF	5-fluorocytidine 5'-(dihydrogen phosphate)	0.714
98	5DB	1-(2-deoxy-5-O-phosphono-beta-D-erythro-pentofuranosyl)-4-methoxy-5-methylpyrimidin-2(1h)-one	0.714
99	5HU	5-hydroxymethyluridine-2'-deoxy-5'-monophosphate	0.714
100	5IC	5-iodo-cytidine-5'-monophosphate	0.714
101	5MU	5-methyluridine 5'-monophosphate	0.714
102	5SE	2'-deoxy-5-(methylselanyl)cytidine 5'-(dihydrogen phosphate)	0.714
103	64P	5-aminothymidine 5'-(dihydrogen phosphate)	0.714
104	64T	5-hydroxy-thymidine-5'-monophosphate	0.714
105	B8Q	3-methyl, cytidine-5'-monophosphate	0.714
106	CBV	5-bromocytidine 5'-(dihydrogen phosphate)	0.714
107	CSL	(D)-2'-methylselenyl-2'-deoxycytidine-5'-phosphate	0.714
108	JDT	2'-deoxy-5-ethyluridine 5'-(dihydrogen phosphate)	0.714
109	JMH	3-methylcytidine- 5'-monophosphate	0.714
110	MDQ	2'-deoxy-3-(oxidomethyl)cytidine 5'-(dihydrogen phosphate)	0.714
111	MFT	3-methylthymidine 5'-(dihydrogen phosphate)	0.714
112	OKT	2'-O-methyluridine-5'-phosphorothioate	0.714
113	TAF	2'-deoxy-2'-fluoro-arabino-furanosyl thymine-5'-phosphate	0.714
114	TKW	5-hydroxycytidine 5'-(dihydrogen phosphate)	0.714
115	U7B	2'-deoxy-2'2'-difluorodeoxycytidine	0.714
116	UFR	2'-deoxy-5-formyluridine 5'-(dihydrogen phosphate)	0.714
117	K2F	2'-methoxyethyl-adenosine-5'-thiophosphate	0.710
118	2DT	3'-deoxythymidine-5'-monophosphate	0.704
119	3KA	1-(2-deoxy-5-O-phosphono-beta-L-erythro-pentofuranosyl)pyrimidine-2,4(1h,3h)-dione	0.704
120	5NC	5-aza-cytidine-5'monophosphate	0.704
121	8RO	[(2~{R},3~{S},5~{R})-5-(5-methyl-2-oxidanylidene-7-thia-1,3-diazabicyclo[4.1.0]hept-5-en-3-yl)-3-oxidanyl-oxolan-2-yl]methyl dihydrogen phosphite	0.704
122	C42	3'-amino-2'-deoxy-cytidine-5'-monophosphate	0.704
123	C4S	2'-deoxy-4'-thiocytidine 5'-(dihydrogen phosphate)	0.704
124	C7R	2'-deoxy-5'-O-thiophosphonocytidine	0.704
125	C7S	2'-deoxy-5'-O-thiophosphonocytidine	0.704
126	CMR	2'-deoxy-cytidine-5'-rp-monomethylphosphonate	0.704
127	D4M	[(5r)-5-(5-methyl-2,4-dioxo-3,4-dihydropyrimidin-1(2h)-yl)-2,5-dihydrofuran-2-yl]methyl dihydrogen phosphate	0.704
128	DDN	3,4-dihydro-2'-deoxyuridine-5'-monophosphate	0.704
129	DU	2'-deoxyuridine-5'-monophosphate	0.704
130	O2C	3'-deoxy-cytidine-5'-monophosphate	0.704
131	PYO	1-(beta-D-ribofuranosyl)-pyrimidin-2-one-5'-phosphate	0.704
132	SC	2-deoxy-cytidine-5'-thiophosphorate	0.704
133	TA3	(4s,5r)-3-(2-deoxy-5-O-phosphono-beta-D-erythro-pentofuranosyl)-5-methyl-1,3-diazabicyclo[2.2.0]hexan-2-one	0.704
134	UMC	2'-deoxy-5'-uridylic acid	0.704
135	UMP	2'-deoxyuridine 5'-monophosphate	0.704
136	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	0.700
137	NCU	[(1r,5r,7r,8s)-7-(4-amino-5-methyl-2-oxopyrimidin-1(2h)-yl)-8-hydroxy-3-methyl-2,6-dioxa-3-azabicyclo[3.2.1]oct-5-yl]methyl dihydrogen phosphate	0.700