1	TCP	5'-methylthymidine	1.000
2	0DN	5'-deoxy-5'-fluorothymidine	0.842
3	5AT	5'-amino-5'-deoxythymidine	0.842
4	LLT	L-deoxythymidine	0.842
5	THM	Thymidine	0.842
6	WUV	5'-thiothymidine	0.842
7	DDU	2'-5'dideoxyuridine	0.833
8	MMT	5'-O-(dimethylamino)-thymidine	0.810
9	38T	5-methyluridine	0.800
10	3DT	3-methylthymidine	0.800
11	5HT	5-hydroxy-thymidine	0.800
12	EDU	2'-deoxy-5-ethynyluridine	0.800
13	YC6	1-(2-deoxy-alpha-D-erythro-pentofuranosyl)-5-methylpyrimidine-2,4(1h,3h)-dione	0.800
14	38S	1-[(2r,5s)-5-(hydroxymethyl)tetrahydrofuran-2-yl]-5-methylpyrimidine-2,4(1h,3h)-dione	0.789
15	D3Z	1-(5-deoxy-beta-L-xylofuranosyl)pyrimidine-2,4(1h,3h)-dione	0.789
16	DUR	2'-deoxyuridine	0.789
17	THU	Tetrahydrodeoxyuridine	0.789
18	U4P	5'-deoxyuridine	0.789
19	0DT	2'-deoxy-L-ribo-furanosyl thymidine-5'-monophosphate	0.773
20	DT	Thymidine-5'-monophosphate	0.773
21	MUM	5'-O-(dihydroxyphosphanyl)-5-methyl-5,6-dihydrouridine	0.773
22	PBT	[3-hydroxy-5-(5-methyl-2,4-dioxotetrahydro-1(2h)-pyrimidinyl)tetrahydro-2-furanyl]methyl dihydrogen phosphate	0.773
23	PST	Thymidine-5'-thiophosphate	0.773
24	QBT	[(2r,3s,5r)-3-hydroxy-5-[(5s)-5-methyl-2,4-dioxo-1,3-diazinan-1-yl]oxolan-2-yl]methyl dihydrogen phosphate	0.773
25	T2S	Thymidine-5'-dithiophosphorate	0.773
26	THS	Thymidine-5'-(dithio)phosphate	0.773
27	TMP	Thymidine-5'-phosphate	0.773
28	0MI	1-[(2~{R},4~{S},5~{R})-5-[[(azanylidene-$L^{4}-azanylidene)amino]methyl]-4-oxidanyl-oxolan-2-yl]-5-methyl-pyrimidine-2,4-dione	0.762
29	BVD	5-bromovinyldeoxyuridine	0.762
30	EDV	1-(2-deoxy-2-methyl-beta-D-arabinofuranosyl)-5-ethynylpyrimidine-2,4(1h,3h)-dione	0.762
31	FDU	1-(2-deoxy-2-fluoro-beta-D-arabinofuranosyl)-5-ethynylpyrimidine-2,4(1h,3h)-dione	0.762
32	ID2	5-iododeoxyuridine	0.750
33	MCY	5-methyl-2'-deoxycytidine	0.750
34	TYU	Tetrahydrouridine	0.750
35	U33	5-bromo-2'-deoxy uridine	0.750
36	URI	Uridine	0.750
37	ZEB	4-hydroxy-3,4-dihydro-zebularine	0.750
38	5HU	5-hydroxymethyluridine-2'-deoxy-5'-monophosphate	0.739
39	5MU	5-methyluridine 5'-monophosphate	0.739
40	64P	5-aminothymidine 5'-(dihydrogen phosphate)	0.739
41	64T	5-hydroxy-thymidine-5'-monophosphate	0.739
42	JDT	2'-deoxy-5-ethyluridine 5'-(dihydrogen phosphate)	0.739
43	MFT	3-methylthymidine 5'-(dihydrogen phosphate)	0.739
44	TAF	2'-deoxy-2'-fluoro-arabino-furanosyl thymine-5'-phosphate	0.739
45	UFR	2'-deoxy-5-formyluridine 5'-(dihydrogen phosphate)	0.739
46	2DT	3'-deoxythymidine-5'-monophosphate	0.727
47	3KA	1-(2-deoxy-5-O-phosphono-beta-L-erythro-pentofuranosyl)pyrimidine-2,4(1h,3h)-dione	0.727
48	5PY	1-(2'-deoxy-5'-O-phosphono-beta-D-erythro-pentofuranosyl)-5-methylpyrimidin-2(1h)-one	0.727
49	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	0.727
50	D4M	[(5r)-5-(5-methyl-2,4-dioxo-3,4-dihydropyrimidin-1(2h)-yl)-2,5-dihydrofuran-2-yl]methyl dihydrogen phosphate	0.727
51	DDN	3,4-dihydro-2'-deoxyuridine-5'-monophosphate	0.727
52	DU	2'-deoxyuridine-5'-monophosphate	0.727
53	DUS	2'-deoxy-5'-O-sulfouridine	0.727
54	F2U	2'-deoxy-5-ethynyl-2',2'-difluorouridine	0.727
55	UMC	2'-deoxy-5'-uridylic acid	0.727
56	UMP	2'-deoxyuridine 5'-monophosphate	0.727
57	UPS	2'-deoxy-5'-O-thiophosphonouridine	0.727
58	XCI	[(2~{S},3~{S},5~{R})-5-[5-methyl-2,4-bis(oxidanylidene)pyrimidin-1-yl]-3-oxidanyl-oxolan-2-yl]methylselanylphosphonous acid	0.727
59	XY7	1-[2-deoxy-5-O-(dihydroxyphosphanyl)-2-fluoro-beta-L-ribofuranosyl]pyrimidine-2,4(1h,3h)-dione	0.727
60	5UD	5-fluorouridine	0.714
61	SCT	(south)-methanocarba-thymidine	0.714
62	TMC	1-[4-hydroxy-5-(hydroxymethyl)bicyclo[3.1.0]hex-2-yl]-5-methylpyrimidine-2,4(1h,3h)-dione	0.714
63	U7I	2'-deoxy-2'-fluoro-2'-methyluridine	0.714
64	UUA	Uridine uronic acid	0.714
65	Y7U	2',2'-difluorodeoxyuridine	0.714
66	2MU	2',5-dimethyluridine-5'-monophosphate	0.708
67	2ST	5-methyl-2'-se-methyl-2'-selenouridine 5'-(dihydrogen phosphate)	0.708
68	A1BBB	5-(hydroxymethyl)uridine 5'-(dihydrogen phosphate)	0.708
69	A1BBC	1-(2-deoxy-2-fluoro-5-O-phosphono-beta-D-arabinofuranosyl)-5-(hydroxymethyl)pyrimidine-2,4(1h,3h)-dione	0.708
70	ATL	[(1s,3r,4s,7r)-7-hydroxy-3-(thymin-1-yl)-2,5-dioxabicyclo[2.2.1]hept-1-yl]methyl dihydrogen phosphate	0.708
71	BVP	(E)-5-(2-bromovinyl)-2'-deoxyuridine-5'-monophosphate	0.708
72	CNU	5-cyano-uridine-5'-monophosphate	0.708
73	CTG	(5r,6s)-5,6-dihydro-5,6-dihydroxythymidine-5'-monophosphate	0.708
74	FMU	5-fluoro-5-methyluridine-5'-monophosphate	0.708
75	MDU	3-(hydroxymethyl)thymidine 5'-(dihydrogen phosphate)	0.708
76	PDU	5(1-propynyl)-2'-deoxyuridine-5-monophosphate	0.708
77	T41	1-(2-O-methyl-beta-D-arabinofuranosyl)thymidine 5'-monophosphate	0.708
78	TDY	5-(methylamino)thymidine 5'-(dihydrogen phosphate)	0.708
79	TLB	2'-O,3'-C-methylene-arabinofuranosyl-thymine-5'-monophosphate	0.708
80	TLN	[(1r,3r,4r,7s)-7-hydroxy-3-(thymin-1-yl)-2,5-dioxabicyclo[2.2.1]hept-1-yl]methyl dihydrogen phosphate	0.708
81	TTM	N3-ethyl-thymidine-5'-monophosphate	0.708
82	UWJ	5-methyl-1-(2-se-methyl-5-O-phosphono-2-seleno-beta-D-arabinofuranosyl)pyrimidine-2,4(1h,3h)-dione	0.708
83	ANU	2,2'-anhydro-(1-beta-D-arabinofuranosyl)uracil	0.700
84	BJE	2,2'-anhydro-(1-beta-D-ribofuranosyl)uracil	0.700
85	DCZ	2'-deoxycytidine	0.700
86	DHZ	3,4-dihydro-1h-pyrimidin-2-one nucleoside	0.700
87	LDC	4-amino-1-(2-deoxy-beta-L-erythro-pentofuranosyl)pyrimidin-2(1h)-one	0.700
88	ZE8	Zebularine	0.700