1	5BT	5-bromo-2'-deoxycytidine	1.000
2	DCZ	2'-deoxycytidine	0.941
3	LDC	4-amino-1-(2-deoxy-beta-L-erythro-pentofuranosyl)pyrimidin-2(1h)-one	0.941
4	AR3	Cytarabine	0.889
5	B86	2'-deoxy-5-fluorocytidine	0.889
6	CTN	4-amino-1-beta-D-ribofuranosyl-2(1h)-pyrimidinone	0.889
7	MCY	5-methyl-2'-deoxycytidine	0.889
8	U33	5-bromo-2'-deoxy uridine	0.889
9	F01	4-amino-1-[(2r,3r,4s,5r)-3,4-dihydroxy-5-(hydroxymethyl)oxolan-2-yl]-5-fluoro-pyrimidin-2-one	0.842
10	GEO	Gemcitabine	0.842
11	UZL	O2'-methylycytidine	0.842
12	VVC	4-azanyl-1-[(2~{R},4~{S},5~{R})-5-ethynyl-5-(hydroxymethyl)-4-oxidanyl-oxolan-2-yl]pyrimidin-2-one	0.842
13	DHZ	3,4-dihydro-1h-pyrimidin-2-one nucleoside	0.833
14	DUR	2'-deoxyuridine	0.833
15	THU	Tetrahydrodeoxyuridine	0.833
16	ZE8	Zebularine	0.833
17	LKC	4-amino-1-[(1s,3r,4r,7s)-7-hydroxy-1-(hydroxymethyl)-2,5-dioxabicyclo[2.2.1]hept-3-yl]-5-methylpyrimidin-2(1h)-one	0.800
18	P6D	2'-azidocytidine	0.800
19	5AE	4-amino-1-(beta-D-ribofuranosyl)-1,3,5-triazin-2(1h)-one	0.789
20	CTD	3-deazacytidine	0.789
21	I5A	5'-deoxy-5'-iodocytidine	0.789
22	ID2	5-iododeoxyuridine	0.789
23	LLT	L-deoxythymidine	0.789
24	THM	Thymidine	0.789
25	TYU	Tetrahydrouridine	0.789
26	URI	Uridine	0.789
27	ZEB	4-hydroxy-3,4-dihydro-zebularine	0.789
28	3TC	4-amino-1-[(2r,5s)-2-(hydroxymethyl)-1,3-oxathiolan-5-yl]pyrimidin-2(1h)-one	0.778
29	DDU	2'-5'dideoxyuridine	0.778
30	LTT	4-amino-1-[(2s,4s)-2-(hydroxymethyl)-1,3-dioxolan-4-yl]pyrimidin-2(1h)-one	0.778
31	38T	5-methyluridine	0.750
32	3DT	3-methylthymidine	0.750
33	5HT	5-hydroxy-thymidine	0.750
34	5UD	5-fluorouridine	0.750
35	EDU	2'-deoxy-5-ethynyluridine	0.750
36	U56	N-hydroxycytidine	0.750
37	U7I	2'-deoxy-2'-fluoro-2'-methyluridine	0.750
38	UUA	Uridine uronic acid	0.750
39	38S	1-[(2r,5s)-5-(hydroxymethyl)tetrahydrofuran-2-yl]-5-methylpyrimidine-2,4(1h,3h)-dione	0.737
40	ANU	2,2'-anhydro-(1-beta-D-arabinofuranosyl)uracil	0.737
41	BJE	2,2'-anhydro-(1-beta-D-ribofuranosyl)uracil	0.737
42	D3Z	1-(5-deoxy-beta-L-xylofuranosyl)pyrimidine-2,4(1h,3h)-dione	0.737
43	ETV	4-amino-5-fluoro-1-[(2r,5s)-2-(hydroxymethyl)-1,3-oxathiolan-5-yl]pyrimidin-2(1h)-one	0.737
44	U4P	5'-deoxyuridine	0.737
45	C2P	Cytidine-2'-monophosphate	0.727
46	CBR	5-bromo-2'-deoxy-cytidine-5'-monophosphate	0.727
47	8DA	8-oxodeoxyadenosine	0.714
48	8LK	Pyrrolo-dc	0.714
49	BVD	5-bromovinyldeoxyuridine	0.714
50	C3B	4-amino-1-beta-D-glucopyranosylpyrimidin-2(1h)-one	0.714
51	DKZ	4-amino-1-(3-deoxy-3-fluoro-beta-D-glucopyranosyl)pyrimidin-2(1h)-one	0.714
52	EDV	1-(2-deoxy-2-methyl-beta-D-arabinofuranosyl)-5-ethynylpyrimidine-2,4(1h,3h)-dione	0.714
53	FDU	1-(2-deoxy-2-fluoro-beta-D-arabinofuranosyl)-5-ethynylpyrimidine-2,4(1h,3h)-dione	0.714
54	UZ0	2'-azido-2'-deoxyuridine	0.714
55	0DN	5'-deoxy-5'-fluorothymidine	0.700
56	2TU	1-(beta-D-ribofuranosyl)-2-thioxo-2,3-dihydropyrimidin-4(1h)-one	0.700
57	5AT	5'-amino-5'-deoxythymidine	0.700
58	BRD	1-beta-ribofuranosyl-1,3-diazepinone	0.700
59	URD	1-((2r,3r,4s,5r)-tetrahydro-3,4-dihydroxy-5-(hydroxymethyl)furan-2-yl)pyridine-2,4(1h,3h)-dione	0.700
60	WUV	5'-thiothymidine	0.700