1	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	1.000
2	4OC	4n,o2'-methylcytidine-5'-monophosphate	0.920
3	4AC	N(4)-acetylcytidine-5'-monophosphate	0.885
4	D00	2'-deoxy-N-ethylcytidine 5'-(dihydrogen phosphate)	0.880
5	2YR	2'-deoxy-N-(2-sulfanylethyl)cytidine 5'-(dihydrogen phosphate)	0.846
6	C34	N4-methyl-2'-deoxy-cytidine-5'-monophosphate	0.840
7	J0X	2-[[2-oxidanylidene-1-[(2r,4s,5r)-4-oxidanyl-5-(phosphonooxymethyl)oxolan-2-yl]pyrimidin-4-yl]amino]ethanoic acid	0.815
8	B8T	4-methyl, cytidine-5'-monophosphate	0.808
9	OMC	O2'-methylycytidine-5'-monophosphate	0.808
10	OMU	O2'-methyluridine 5'-monophosphate	0.808
11	XE6	4-amino-1-(2-O-methyl-5-O-phosphono-beta-L-ribofuranosyl)pyrimidin-2(1h)-one	0.808
12	XEC	1-(2-O-methyl-5-O-phosphono-beta-L-ribofuranosyl)pyrimidine-2,4(1h,3h)-dione	0.808
13	2MU	2',5-dimethyluridine-5'-monophosphate	0.778
14	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
15	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	0.778
16	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	0.778
17	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	0.778
18	T41	1-(2-O-methyl-beta-D-arabinofuranosyl)thymidine 5'-monophosphate	0.778
19	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	0.769
20	NOH	2'-deoxy-N-hydroxycytidine 5'-(dihydrogen phosphate)	0.769
21	Z	1-(2-deoxy-5-O-phosphono-beta-D-erythro-pentofuranosyl)pyrimidin-2(1h)-one	0.760
22	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
23	UOB	2'-ome,4'beta-ome uridine 5'-(dihydrogen phosphate)	0.750
24	16B	N-hydroxycytidine 5'-(dihydrogen phosphate)	0.741
25	6OO	2'-O-methyl-5'-O-thiophosphonocytidine	0.741
26	7OK	N-hydroxycytidine 5'-(dihydrogen phosphate) tautomer	0.741
27	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	0.741
28	C45	N4-methoxy-2'-deoxy-cytidine-5'-monophosphate	0.741
29	OKQ	2'-O-methylcytidine-5'-phosphorothioate	0.741
30	OKT	2'-O-methyluridine-5'-phosphorothioate	0.741
31	0DC	2'-deoxy-L-ribo-furanosyl cytosine-5'-monophosphate	0.731
32	3KA	1-(2-deoxy-5-O-phosphono-beta-L-erythro-pentofuranosyl)pyrimidine-2,4(1h,3h)-dione	0.731
33	5PY	1-(2'-deoxy-5'-O-phosphono-beta-D-erythro-pentofuranosyl)-5-methylpyrimidin-2(1h)-one	0.731
34	DC	2'-deoxycytidine-5'-monophosphate	0.731
35	DCM	2'-deoxycytidine-5'-monophosphate	0.731
36	DDN	3,4-dihydro-2'-deoxyuridine-5'-monophosphate	0.731
37	DNR	2'-deoxy-n3-protonated cytidine-5'-monophosphate	0.731
38	DU	2'-deoxyuridine-5'-monophosphate	0.731
39	IY9	[5-(4-azanyl-2-oxidanylidene-pyrimidin-1-yl)-3-oxidanyl-furan-2-yl]methyl dihydrogen phosphate	0.731
40	PYO	1-(beta-D-ribofuranosyl)-pyrimidin-2-one-5'-phosphate	0.731
41	UMC	2'-deoxy-5'-uridylic acid	0.731
42	UMP	2'-deoxyuridine 5'-monophosphate	0.731
43	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	0.731
44	125	2'-O-fluoroethyl-5-methyl-uridine-5'-monophosphate	0.724
45	2AT	2'-O-allyl thymidine-5'-monophosphate	0.724
46	2GT	2'-O-propargyl thymidine-5'-monophosphate	0.724
47	B9H	2'-methyl, 3-propyl, cytidine-5'-monophosphate	0.724
48	C31	2'-O-3-aminopropyl cytidine-5'-monophosphate	0.724
49	C43	2'-O-methyoxyethyl-cytidine-5'-monophosphate	0.724
50	P2T	2'-O-propyl thymidine-5-monophosphate	0.724
51	U31	2'-O-3-aminopropyl 2'-deoxyuridine-5'-monophosphate	0.724
52	U36	2'-O-methyoxyethyl-uridine-5'-monophosphate	0.724
53	T23	2'-O-methyl-3'-methyl-3'-deoxy-arabinofuranosyl-thymine-5'-phosphate	0.714
54	0C	L-cytidine-5'-monophosphate	0.704
55	0DT	2'-deoxy-L-ribo-furanosyl thymidine-5'-monophosphate	0.704
56	0U	L-uridine-5'-monophosphate	0.704
57	2AU	2'-aminouridine	0.704
58	2GF	[(2r,5r)-5-(4-amino-5-chloro-2-oxopyrimidin-1(2h)-yl)-3-oxotetrahydrofuran-2-yl]methyl dihydrogen phosphate	0.704
59	4SU	4-thiouridine-5'-monophosphate	0.704
60	4U3	5-chloro-2'-deoxycytidine 5'-(dihydrogen phosphate)	0.704
61	5CM	5-methyl-2'-deoxy-cytidine-5'-monophosphate	0.704
62	5IU	5-iodo-2'-deoxyuridine-5'-monophosphate	0.704
63	5OC	2'-deoxy-5-hydroxycytidine 5'-(dihydrogen phosphate)	0.704
64	8XC	4-amino-1-(5-O-phosphono-beta-D-xylofuranosyl)pyrimidin-2(1h)-one	0.704
65	8XU	1-(5-O-phosphono-beta-D-xylofuranosyl)pyrimidine-2,4(1h,3h)-dione	0.704
66	A1IT3	2'-thiouridine-5'-monophosphate	0.704
67	A5M	2'-amine-cytidine-5'-monophosphate	0.704
68	BRU	5-bromo-2'-deoxyuridine-5'-monophosphate	0.704
69	C	Cytidine-5'-monophosphate	0.704
70	C37	5-fluoro-2'-deoxy-cytidine-5'-monophosphate	0.704
71	C38	5-iodo-2'-deoxy-cytidine-5'-monophosphate	0.704
72	C5P	Cytidine-5'-monophosphate	0.704
73	CAR	Cytosine arabinose-5'-phosphate	0.704
74	CBR	5-bromo-2'-deoxy-cytidine-5'-monophosphate	0.704
75	CFL	4-amino-1-(2-deoxy-2-fluoro-5-O-phosphono-beta-D-arabinofuranosyl)pyrimidin-2(1h)-one	0.704
76	CFZ	2'-deoxy-2'-fluorocytidine 5'-(dihydrogen phosphate)	0.704
77	CH	N3-protonated cytidine-5'-monophosphate	0.704
78	DT	Thymidine-5'-monophosphate	0.704
79	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
80	H2U	5,6-dihydrouridine-5'-monophosphate	0.704
81	IY0	[5-(4-azanyl-2-oxidanylidene-pyrimidin-1-yl)-3,4-bis(oxidanyl)furan-2-yl]methyl dihydrogen phosphate	0.704
82	ME6	[(2r,3s,5r)-5-(4-azanyl-3-methyl-2-oxo-pyrimidin-3-ium-1-yl)-3-hydroxy-oxolan-2-yl]methyl dihydrogen phosphate	0.704
83	OFC	4-amino-1-(2-deoxy-2-fluoro-5-O-phosphono-beta-L-ribofuranosyl)pyrimidin-2(1h)-one	0.704
84	OHU	2'-deoxy-5-hydroxyuridine 5'-(dihydrogen phosphate)	0.704
85	PBT	[3-hydroxy-5-(5-methyl-2,4-dioxotetrahydro-1(2h)-pyrimidinyl)tetrahydro-2-furanyl]methyl dihydrogen phosphate	0.704
86	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
87	RY	5'-3,6-dihydrocytidylic acid	0.704
88	T4S	1-(2-deoxy-5-O-phosphono-beta-D-erythro-pentofuranosyl)-4-hydroseleno-5-methylpyrimidin-2(1h)-one	0.704
89	TMP	Thymidine-5'-phosphate	0.704
90	TTI	2'-deoxy-5-telluroxouridine 5'-(dihydrogen phosphate)	0.704
91	U	Uridine-5'-monophosphate	0.704
92	U48	5-methyl-2'-deoxy-n3-protonated cytidine-5'-monophosphate	0.704
93	U5P	Uridine-5'-monophosphate	0.704
94	UAR	Uracil arabinose-5'-phosphate	0.704
95	UCL	5-chloro-2'-deoxyuridine 5'-(dihydrogen phosphate)	0.704
96	UF2	1-(2-deoxy-2-fluoro-5-O-phosphono-beta-D-arabinofuranosyl)pyrimidine-2,4(1h,3h)-dione	0.704
97	UFP	5-fluoro-2'-deoxyuridine-5'-monophosphate	0.704
98	UFT	2'-deoxy-2'-fluorouridine 5'-(dihydrogen phosphate)	0.704
99	US5	1-(5-O-phosphono-beta-D-ribofuranosyl)-4-selanylpyrimidin-2(1h)-one	0.704
100	127	2'-O-aminooxy-ethyl-5-methyl-uridine-5'-monophosphate	0.700
101	2BT	2'-O-butyl-thymidine	0.700
102	C5L	2'-O-(2-methoxyethyl)-5-methylcytidine 5'-(dihydrogen phosphate)	0.700
103	NMT	1-(o2-(methylcarbamoyl)-o5-hydroxyphosphinyl-beta-D-ribofuranosyl)thymine	0.700
104	SMT	2'-[(methylthio)ethyloxy]-thymidine-5'-monophosphate	0.700
105	T38	2'-O-ethoxymethylene thymidine 5'-monophosphate	0.700
106	T39	2'-O-methoxyethylene thymidine 5'-monophosphate	0.700