1	AZZ	3'-azido-3'-deoxythymidine	1.000
2	0NP	2',3'-dideoxy-2'-fluoro-3'-triaza-1,2-dien-2-ium-1-yluridine	0.900
3	38S	1-[(2r,5s)-5-(hydroxymethyl)tetrahydrofuran-2-yl]-5-methylpyrimidine-2,4(1h,3h)-dione	0.842
4	LLT	L-deoxythymidine	0.800
5	THM	Thymidine	0.800
6	ADT	3'-deoxy-3'-acetamido-thymidine	0.773
7	38T	5-methyluridine	0.762
8	3DT	3-methylthymidine	0.762
9	5HT	5-hydroxy-thymidine	0.762
10	EDU	2'-deoxy-5-ethynyluridine	0.762
11	ATM	3'-azido-3'-deoxythymidine-5'-monophosphate	0.750
12	DUR	2'-deoxyuridine	0.750
13	THU	Tetrahydrodeoxyuridine	0.750
14	BVD	5-bromovinyldeoxyuridine	0.727
15	EDV	1-(2-deoxy-2-methyl-beta-D-arabinofuranosyl)-5-ethynylpyrimidine-2,4(1h,3h)-dione	0.727
16	FDU	1-(2-deoxy-2-fluoro-beta-D-arabinofuranosyl)-5-ethynylpyrimidine-2,4(1h,3h)-dione	0.727
17	0DN	5'-deoxy-5'-fluorothymidine	0.714
18	5AT	5'-amino-5'-deoxythymidine	0.714
19	ID2	5-iododeoxyuridine	0.714
20	MCY	5-methyl-2'-deoxycytidine	0.714
21	TYU	Tetrahydrouridine	0.714
22	U33	5-bromo-2'-deoxy uridine	0.714
23	URI	Uridine	0.714
24	WUV	5'-thiothymidine	0.714
25	ZEB	4-hydroxy-3,4-dihydro-zebularine	0.714
26	DDU	2'-5'dideoxyuridine	0.700