1	S2M	2'-O-[2-(methoxy)ethyl]-2-thiothymidine-5'-monophosphate	1.000
2	T39	2'-O-methoxyethylene thymidine 5'-monophosphate	0.926
3	U36	2'-O-methyoxyethyl-uridine-5'-monophosphate	0.889
4	127	2'-O-aminooxy-ethyl-5-methyl-uridine-5'-monophosphate	0.857
5	C5L	2'-O-(2-methoxyethyl)-5-methylcytidine 5'-(dihydrogen phosphate)	0.857
6	125	2'-O-fluoroethyl-5-methyl-uridine-5'-monophosphate	0.821
7	2AT	2'-O-allyl thymidine-5'-monophosphate	0.821
8	2GT	2'-O-propargyl thymidine-5'-monophosphate	0.821
9	C43	2'-O-methyoxyethyl-cytidine-5'-monophosphate	0.821
10	P2T	2'-O-propyl thymidine-5-monophosphate	0.821
11	2MU	2',5-dimethyluridine-5'-monophosphate	0.815
12	T41	1-(2-O-methyl-beta-D-arabinofuranosyl)thymidine 5'-monophosphate	0.815
13	3ME	2'-O-{2-[2-(dimethylamino)ethoxy]ethyl}-5-methyluridine 5'-(dihydrogen phosphate)	0.806
14	2NT	2'-O-[2-[hydroxy(methyleneamino)oxy]ethyl thymidine-5'-monophosphate	0.800
15	2OT	2'-O-[2-(N,N-dimethylaminooxy)ethyl] thymidine-5'-monophosphate	0.800
16	2BT	2'-O-butyl-thymidine	0.793
17	N7X	5'-O-[(R)-hydroxy(sulfanylidene)-lambda~5~-phosphanyl]-2'-O-(2-methoxyethyl)-5-methylcytidine	0.793
18	SMT	2'-[(methylthio)ethyloxy]-thymidine-5'-monophosphate	0.793
19	OMU	O2'-methyluridine 5'-monophosphate	0.778
20	XEC	1-(2-O-methyl-5-O-phosphono-beta-L-ribofuranosyl)pyrimidine-2,4(1h,3h)-dione	0.778
21	NMS	1-(o2-(2-methylamino-2-oxo-ethyl)-o5-hydroxyphosphinyl-beta-D-ribofuranosyl)thymine	0.767
22	TFE	2'-O-[2-(trifluoro)ethyl] thymidine-5'-monophosphate	0.767
23	U31	2'-O-3-aminopropyl 2'-deoxyuridine-5'-monophosphate	0.759
24	126	2'-O-methyl-[tri(oxyethyl)]-5-methyl-uridine-5'-monophosphate	0.758
25	BOE	2'-O-[2-(benzyloxy)ethyl] thymidine-5'-monophosphate	0.758
26	9V9	1-{2,5-anhydro-4-[(phosphonooxy)methyl]-alpha-L-lyxofuranosyl}-5-methyl-2-sulfanylidene-2,3-dihydropyrimidin-4(1h)-one	0.750
27	T23	2'-O-methyl-3'-methyl-3'-deoxy-arabinofuranosyl-thymine-5'-phosphate	0.750
28	G48	2'-O-methyoxyethyl-guanosine-5'-monophosphate	0.742
29	GMU	2'-O-[(2-guanidinium)ethyl]-5-methyluridine 5'-monophosphate	0.742
30	0DT	2'-deoxy-L-ribo-furanosyl thymidine-5'-monophosphate	0.741
31	DT	Thymidine-5'-monophosphate	0.741
32	IMC	N1-[2-deoxy-ribofuranosyl]-[2-amino-5-methyl-4-oxo-4h-pyrimidine]-5'-monophosphate	0.741
33	PBT	[3-hydroxy-5-(5-methyl-2,4-dioxotetrahydro-1(2h)-pyrimidinyl)tetrahydro-2-furanyl]methyl dihydrogen phosphate	0.741
34	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
35	SUR	1-(beta-D-ribofuranosyl)-2-thio-uracil-5'-phosphate	0.741
36	TMP	Thymidine-5'-phosphate	0.741
37	US3	1-(2-deoxy-5-O-phosphono-beta-D-erythro-pentofuranosyl)-5-methyl-2-selanylpyrimidin-4(1h)-one	0.741
38	NMT	1-(o2-(methylcarbamoyl)-o5-hydroxyphosphinyl-beta-D-ribofuranosyl)thymine	0.733
39	T38	2'-O-ethoxymethylene thymidine 5'-monophosphate	0.733
40	U8U	5-methylaminomethyl-2-thiouridine-5'-monophosphate	0.724
41	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
42	UOB	2'-ome,4'beta-ome uridine 5'-(dihydrogen phosphate)	0.724
43	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
44	5HU	5-hydroxymethyluridine-2'-deoxy-5'-monophosphate	0.714
45	5MU	5-methyluridine 5'-monophosphate	0.714
46	64P	5-aminothymidine 5'-(dihydrogen phosphate)	0.714
47	64T	5-hydroxy-thymidine-5'-monophosphate	0.714
48	JDT	2'-deoxy-5-ethyluridine 5'-(dihydrogen phosphate)	0.714
49	MFT	3-methylthymidine 5'-(dihydrogen phosphate)	0.714
50	OKT	2'-O-methyluridine-5'-phosphorothioate	0.714
51	OMC	O2'-methylycytidine-5'-monophosphate	0.714
52	TAF	2'-deoxy-2'-fluoro-arabino-furanosyl thymine-5'-phosphate	0.714
53	UFR	2'-deoxy-5-formyluridine 5'-(dihydrogen phosphate)	0.714
54	XE6	4-amino-1-(2-O-methyl-5-O-phosphono-beta-L-ribofuranosyl)pyrimidin-2(1h)-one	0.714
55	A44	2'-O-methyoxyethyl-adenosine 5'-monophosphate	0.710
56	2DT	3'-deoxythymidine-5'-monophosphate	0.704
57	3KA	1-(2-deoxy-5-O-phosphono-beta-L-erythro-pentofuranosyl)pyrimidine-2,4(1h,3h)-dione	0.704
58	5PY	1-(2'-deoxy-5'-O-phosphono-beta-D-erythro-pentofuranosyl)-5-methylpyrimidin-2(1h)-one	0.704
59	9L3	[(2r,3s,5r)-5-(4-azanyl-5-methyl-pyrimidin-1-ium-1-yl)-3-oxidanyl-oxolan-2-yl]methyl dihydrogen phosphate	0.704
60	D4M	[(5r)-5-(5-methyl-2,4-dioxo-3,4-dihydropyrimidin-1(2h)-yl)-2,5-dihydrofuran-2-yl]methyl dihydrogen phosphate	0.704
61	DDN	3,4-dihydro-2'-deoxyuridine-5'-monophosphate	0.704
62	DU	2'-deoxyuridine-5'-monophosphate	0.704
63	UMC	2'-deoxy-5'-uridylic acid	0.704
64	UMP	2'-deoxyuridine 5'-monophosphate	0.704
65	C31	2'-O-3-aminopropyl cytidine-5'-monophosphate	0.700