1	F2U	2'-deoxy-5-ethynyl-2',2'-difluorouridine	1.000
2	FDU	1-(2-deoxy-2-fluoro-beta-D-arabinofuranosyl)-5-ethynylpyrimidine-2,4(1h,3h)-dione	0.950
3	EDU	2'-deoxy-5-ethynyluridine	0.900
4	BVD	5-bromovinyldeoxyuridine	0.857
5	EDV	1-(2-deoxy-2-methyl-beta-D-arabinofuranosyl)-5-ethynylpyrimidine-2,4(1h,3h)-dione	0.857
6	LLT	L-deoxythymidine	0.850
7	THM	Thymidine	0.850
8	38T	5-methyluridine	0.810
9	3DT	3-methylthymidine	0.810
10	5HT	5-hydroxy-thymidine	0.810
11	GEO	Gemcitabine	0.810
12	38S	1-[(2r,5s)-5-(hydroxymethyl)tetrahydrofuran-2-yl]-5-methylpyrimidine-2,4(1h,3h)-dione	0.800
13	DUR	2'-deoxyuridine	0.800
14	THU	Tetrahydrodeoxyuridine	0.800
15	0DN	5'-deoxy-5'-fluorothymidine	0.762
16	5AT	5'-amino-5'-deoxythymidine	0.762
17	ID2	5-iododeoxyuridine	0.762
18	MCY	5-methyl-2'-deoxycytidine	0.762
19	TYU	Tetrahydrouridine	0.762
20	U33	5-bromo-2'-deoxy uridine	0.762
21	URI	Uridine	0.762
22	WUV	5'-thiothymidine	0.762
23	ZEB	4-hydroxy-3,4-dihydro-zebularine	0.762
24	DDU	2'-5'dideoxyuridine	0.750
25	5UD	5-fluorouridine	0.727
26	SCT	(south)-methanocarba-thymidine	0.727
27	TCP	5'-methylthymidine	0.727
28	TMC	1-[4-hydroxy-5-(hydroxymethyl)bicyclo[3.1.0]hex-2-yl]-5-methylpyrimidine-2,4(1h,3h)-dione	0.727
29	UUA	Uridine uronic acid	0.727
30	ANU	2,2'-anhydro-(1-beta-D-arabinofuranosyl)uracil	0.714
31	BJE	2,2'-anhydro-(1-beta-D-ribofuranosyl)uracil	0.714
32	D3Z	1-(5-deoxy-beta-L-xylofuranosyl)pyrimidine-2,4(1h,3h)-dione	0.714
33	DCZ	2'-deoxycytidine	0.714
34	DHZ	3,4-dihydro-1h-pyrimidin-2-one nucleoside	0.714
35	LDC	4-amino-1-(2-deoxy-beta-L-erythro-pentofuranosyl)pyrimidin-2(1h)-one	0.714
36	U4P	5'-deoxyuridine	0.714
37	ZE8	Zebularine	0.714
38	D1M	5-ethynyl-1-(beta-D-glucopyranosyl)pyrimidine-2,4(1h,3h)-dione	0.708