1	MMT	5'-O-(dimethylamino)-thymidine	1.000
2	TCP	5'-methylthymidine	0.810
3	0DN	5'-deoxy-5'-fluorothymidine	0.762
4	5AT	5'-amino-5'-deoxythymidine	0.762
5	LLT	L-deoxythymidine	0.762
6	THM	Thymidine	0.762
7	WUV	5'-thiothymidine	0.762
8	DDU	2'-5'dideoxyuridine	0.750
9	38T	5-methyluridine	0.727
10	3DT	3-methylthymidine	0.727
11	5HT	5-hydroxy-thymidine	0.727
12	EDU	2'-deoxy-5-ethynyluridine	0.727
13	38S	1-[(2r,5s)-5-(hydroxymethyl)tetrahydrofuran-2-yl]-5-methylpyrimidine-2,4(1h,3h)-dione	0.714
14	D3Z	1-(5-deoxy-beta-L-xylofuranosyl)pyrimidine-2,4(1h,3h)-dione	0.714
15	DUR	2'-deoxyuridine	0.714
16	THU	Tetrahydrodeoxyuridine	0.714
17	U4P	5'-deoxyuridine	0.714
18	0DT	2'-deoxy-L-ribo-furanosyl thymidine-5'-monophosphate	0.708
19	DT	Thymidine-5'-monophosphate	0.708
20	MUM	5'-O-(dihydroxyphosphanyl)-5-methyl-5,6-dihydrouridine	0.708
21	PBT	[3-hydroxy-5-(5-methyl-2,4-dioxotetrahydro-1(2h)-pyrimidinyl)tetrahydro-2-furanyl]methyl dihydrogen phosphate	0.708
22	PST	Thymidine-5'-thiophosphate	0.708
23	QBT	[(2r,3s,5r)-3-hydroxy-5-[(5s)-5-methyl-2,4-dioxo-1,3-diazinan-1-yl]oxolan-2-yl]methyl dihydrogen phosphate	0.708
24	T2S	Thymidine-5'-dithiophosphorate	0.708
25	THS	Thymidine-5'-(dithio)phosphate	0.708
26	TMP	Thymidine-5'-phosphate	0.708