1	2TU	1-(beta-D-ribofuranosyl)-2-thioxo-2,3-dihydropyrimidin-4(1h)-one	1.000
2	TYU	Tetrahydrouridine	0.889
3	URI	Uridine	0.889
4	ZEB	4-hydroxy-3,4-dihydro-zebularine	0.889
5	38T	5-methyluridine	0.842
6	5UD	5-fluorouridine	0.842
7	UUA	Uridine uronic acid	0.842
8	ANU	2,2'-anhydro-(1-beta-D-arabinofuranosyl)uracil	0.833
9	BJE	2,2'-anhydro-(1-beta-D-ribofuranosyl)uracil	0.833
10	D3Z	1-(5-deoxy-beta-L-xylofuranosyl)pyrimidine-2,4(1h,3h)-dione	0.833
11	DHZ	3,4-dihydro-1h-pyrimidin-2-one nucleoside	0.833
12	DUR	2'-deoxyuridine	0.833
13	THU	Tetrahydrodeoxyuridine	0.833
14	U4P	5'-deoxyuridine	0.833
15	ZE8	Zebularine	0.833
16	AR3	Cytarabine	0.789
17	CTN	4-amino-1-beta-D-ribofuranosyl-2(1h)-pyrimidinone	0.789
18	ID2	5-iododeoxyuridine	0.789
19	LLT	L-deoxythymidine	0.789
20	THM	Thymidine	0.789
21	U33	5-bromo-2'-deoxy uridine	0.789
22	URD	1-((2r,3r,4s,5r)-tetrahydro-3,4-dihydroxy-5-(hydroxymethyl)furan-2-yl)pyridine-2,4(1h,3h)-dione	0.789
23	DDU	2'-5'dideoxyuridine	0.778
24	3DT	3-methylthymidine	0.750
25	5HT	5-hydroxy-thymidine	0.750
26	EDU	2'-deoxy-5-ethynyluridine	0.750
27	F01	4-amino-1-[(2r,3r,4s,5r)-3,4-dihydroxy-5-(hydroxymethyl)oxolan-2-yl]-5-fluoro-pyrimidin-2-one	0.750
28	RDD	1-beta-D-ribofuranosyl-1,3,5-triazinane-2,4,6-trione	0.750
29	U56	N-hydroxycytidine	0.750
30	U7I	2'-deoxy-2'-fluoro-2'-methyluridine	0.750
31	38S	1-[(2r,5s)-5-(hydroxymethyl)tetrahydrofuran-2-yl]-5-methylpyrimidine-2,4(1h,3h)-dione	0.737
32	DCZ	2'-deoxycytidine	0.737
33	LDC	4-amino-1-(2-deoxy-beta-L-erythro-pentofuranosyl)pyrimidin-2(1h)-one	0.737
34	SUR	1-(beta-D-ribofuranosyl)-2-thio-uracil-5'-phosphate	0.727
35	BVD	5-bromovinyldeoxyuridine	0.714
36	EDV	1-(2-deoxy-2-methyl-beta-D-arabinofuranosyl)-5-ethynylpyrimidine-2,4(1h,3h)-dione	0.714
37	FDU	1-(2-deoxy-2-fluoro-beta-D-arabinofuranosyl)-5-ethynylpyrimidine-2,4(1h,3h)-dione	0.714
38	HPR	6-hydroxy-7,8-dihydro purine nucleoside	0.714
39	NOS	Inosine	0.714
40	PRH	6-hydroxy-1,6-dihydro purine nucleoside	0.714
41	UZ0	2'-azido-2'-deoxyuridine	0.714
42	0DN	5'-deoxy-5'-fluorothymidine	0.700
43	5AE	4-amino-1-(beta-D-ribofuranosyl)-1,3,5-triazin-2(1h)-one	0.700
44	5AT	5'-amino-5'-deoxythymidine	0.700
45	5BT	5-bromo-2'-deoxycytidine	0.700
46	B86	2'-deoxy-5-fluorocytidine	0.700
47	BRD	1-beta-ribofuranosyl-1,3-diazepinone	0.700
48	CTD	3-deazacytidine	0.700
49	I5A	5'-deoxy-5'-iodocytidine	0.700
50	MCY	5-methyl-2'-deoxycytidine	0.700
51	WUV	5'-thiothymidine	0.700