1	2OT	2'-O-[2-(N,N-dimethylaminooxy)ethyl] thymidine-5'-monophosphate	1.000
2	2NT	2'-O-[2-[hydroxy(methyleneamino)oxy]ethyl thymidine-5'-monophosphate	0.931
3	127	2'-O-aminooxy-ethyl-5-methyl-uridine-5'-monophosphate	0.862
4	T39	2'-O-methoxyethylene thymidine 5'-monophosphate	0.862
5	125	2'-O-fluoroethyl-5-methyl-uridine-5'-monophosphate	0.828
6	2AT	2'-O-allyl thymidine-5'-monophosphate	0.828
7	2GT	2'-O-propargyl thymidine-5'-monophosphate	0.828
8	P2T	2'-O-propyl thymidine-5-monophosphate	0.828
9	U36	2'-O-methyoxyethyl-uridine-5'-monophosphate	0.828
10	2MU	2',5-dimethyluridine-5'-monophosphate	0.821
11	T41	1-(2-O-methyl-beta-D-arabinofuranosyl)thymidine 5'-monophosphate	0.821
12	2BT	2'-O-butyl-thymidine	0.800
13	C5L	2'-O-(2-methoxyethyl)-5-methylcytidine 5'-(dihydrogen phosphate)	0.800
14	S2M	2'-O-[2-(methoxy)ethyl]-2-thiothymidine-5'-monophosphate	0.800
15	SMT	2'-[(methylthio)ethyloxy]-thymidine-5'-monophosphate	0.800
16	OMU	O2'-methyluridine 5'-monophosphate	0.786
17	XEC	1-(2-O-methyl-5-O-phosphono-beta-L-ribofuranosyl)pyrimidine-2,4(1h,3h)-dione	0.786
18	NMS	1-(o2-(2-methylamino-2-oxo-ethyl)-o5-hydroxyphosphinyl-beta-D-ribofuranosyl)thymine	0.774
19	TFE	2'-O-[2-(trifluoro)ethyl] thymidine-5'-monophosphate	0.774
20	C43	2'-O-methyoxyethyl-cytidine-5'-monophosphate	0.767
21	U31	2'-O-3-aminopropyl 2'-deoxyuridine-5'-monophosphate	0.767
22	T23	2'-O-methyl-3'-methyl-3'-deoxy-arabinofuranosyl-thymine-5'-phosphate	0.759
23	3ME	2'-O-{2-[2-(dimethylamino)ethoxy]ethyl}-5-methyluridine 5'-(dihydrogen phosphate)	0.758
24	0DT	2'-deoxy-L-ribo-furanosyl thymidine-5'-monophosphate	0.750
25	DT	Thymidine-5'-monophosphate	0.750
26	GMU	2'-O-[(2-guanidinium)ethyl]-5-methyluridine 5'-monophosphate	0.750
27	PBT	[3-hydroxy-5-(5-methyl-2,4-dioxotetrahydro-1(2h)-pyrimidinyl)tetrahydro-2-furanyl]methyl dihydrogen phosphate	0.750
28	QBT	[(2r,3s,5r)-3-hydroxy-5-[(5s)-5-methyl-2,4-dioxo-1,3-diazinan-1-yl]oxolan-2-yl]methyl dihydrogen phosphate	0.750
29	TMP	Thymidine-5'-phosphate	0.750
30	N7X	5'-O-[(R)-hydroxy(sulfanylidene)-lambda~5~-phosphanyl]-2'-O-(2-methoxyethyl)-5-methylcytidine	0.742
31	NMT	1-(o2-(methylcarbamoyl)-o5-hydroxyphosphinyl-beta-D-ribofuranosyl)thymine	0.742
32	T38	2'-O-ethoxymethylene thymidine 5'-monophosphate	0.742
33	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)	0.733
34	UOB	2'-ome,4'beta-ome uridine 5'-(dihydrogen phosphate)	0.733
35	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	0.727
36	5HU	5-hydroxymethyluridine-2'-deoxy-5'-monophosphate	0.724
37	5MU	5-methyluridine 5'-monophosphate	0.724
38	64P	5-aminothymidine 5'-(dihydrogen phosphate)	0.724
39	64T	5-hydroxy-thymidine-5'-monophosphate	0.724
40	JDT	2'-deoxy-5-ethyluridine 5'-(dihydrogen phosphate)	0.724
41	MFT	3-methylthymidine 5'-(dihydrogen phosphate)	0.724
42	OKT	2'-O-methyluridine-5'-phosphorothioate	0.724
43	OMC	O2'-methylycytidine-5'-monophosphate	0.724
44	TAF	2'-deoxy-2'-fluoro-arabino-furanosyl thymine-5'-phosphate	0.724
45	UFR	2'-deoxy-5-formyluridine 5'-(dihydrogen phosphate)	0.724
46	XE6	4-amino-1-(2-O-methyl-5-O-phosphono-beta-L-ribofuranosyl)pyrimidin-2(1h)-one	0.724
47	126	2'-O-methyl-[tri(oxyethyl)]-5-methyl-uridine-5'-monophosphate	0.714
48	2DT	3'-deoxythymidine-5'-monophosphate	0.714
49	3KA	1-(2-deoxy-5-O-phosphono-beta-L-erythro-pentofuranosyl)pyrimidine-2,4(1h,3h)-dione	0.714
50	5PY	1-(2'-deoxy-5'-O-phosphono-beta-D-erythro-pentofuranosyl)-5-methylpyrimidin-2(1h)-one	0.714
51	BOE	2'-O-[2-(benzyloxy)ethyl] thymidine-5'-monophosphate	0.714
52	D4M	[(5r)-5-(5-methyl-2,4-dioxo-3,4-dihydropyrimidin-1(2h)-yl)-2,5-dihydrofuran-2-yl]methyl dihydrogen phosphate	0.714
53	DDN	3,4-dihydro-2'-deoxyuridine-5'-monophosphate	0.714
54	DU	2'-deoxyuridine-5'-monophosphate	0.714
55	UMC	2'-deoxy-5'-uridylic acid	0.714
56	UMP	2'-deoxyuridine 5'-monophosphate	0.714
57	C31	2'-O-3-aminopropyl cytidine-5'-monophosphate	0.710
58	2ST	5-methyl-2'-se-methyl-2'-selenouridine 5'-(dihydrogen phosphate)	0.700
59	4OC	4n,o2'-methylcytidine-5'-monophosphate	0.700
60	ATL	[(1s,3r,4s,7r)-7-hydroxy-3-(thymin-1-yl)-2,5-dioxabicyclo[2.2.1]hept-1-yl]methyl dihydrogen phosphate	0.700
61	BVP	(E)-5-(2-bromovinyl)-2'-deoxyuridine-5'-monophosphate	0.700
62	CNU	5-cyano-uridine-5'-monophosphate	0.700
63	CTG	(5r,6s)-5,6-dihydro-5,6-dihydroxythymidine-5'-monophosphate	0.700
64	FMU	5-fluoro-5-methyluridine-5'-monophosphate	0.700
65	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	0.700
66	MDU	3-(hydroxymethyl)thymidine 5'-(dihydrogen phosphate)	0.700
67	PDU	5(1-propynyl)-2'-deoxyuridine-5-monophosphate	0.700
68	TDY	5-(methylamino)thymidine 5'-(dihydrogen phosphate)	0.700
69	TLB	2'-O,3'-C-methylene-arabinofuranosyl-thymine-5'-monophosphate	0.700
70	TLN	[(1r,3r,4r,7s)-7-hydroxy-3-(thymin-1-yl)-2,5-dioxabicyclo[2.2.1]hept-1-yl]methyl dihydrogen phosphate	0.700
71	TTM	N3-ethyl-thymidine-5'-monophosphate	0.700
72	UWJ	5-methyl-1-(2-se-methyl-5-O-phosphono-2-seleno-beta-D-arabinofuranosyl)pyrimidine-2,4(1h,3h)-dione	0.700