1	I5A	5'-deoxy-5'-iodocytidine	1.000
2	AR3	Cytarabine	0.889
3	CTN	4-amino-1-beta-D-ribofuranosyl-2(1h)-pyrimidinone	0.889
4	F01	4-amino-1-[(2r,3r,4s,5r)-3,4-dihydroxy-5-(hydroxymethyl)oxolan-2-yl]-5-fluoro-pyrimidin-2-one	0.842
5	D3Z	1-(5-deoxy-beta-L-xylofuranosyl)pyrimidine-2,4(1h,3h)-dione	0.833
6	DCZ	2'-deoxycytidine	0.833
7	DHZ	3,4-dihydro-1h-pyrimidin-2-one nucleoside	0.833
8	LDC	4-amino-1-(2-deoxy-beta-L-erythro-pentofuranosyl)pyrimidin-2(1h)-one	0.833
9	U4P	5'-deoxyuridine	0.833
10	ZE8	Zebularine	0.833
11	5AE	4-amino-1-(beta-D-ribofuranosyl)-1,3,5-triazin-2(1h)-one	0.789
12	5BT	5-bromo-2'-deoxycytidine	0.789
13	B86	2'-deoxy-5-fluorocytidine	0.789
14	CTD	3-deazacytidine	0.789
15	MCY	5-methyl-2'-deoxycytidine	0.789
16	TQR	4-azanyl-1-[(2~{R},3~{R},4~{S},5~{R})-5-(hydroxymethyl)-3,4-bis(oxidanyl)thiolan-2-yl]pyrimidin-2-one	0.789
17	TYU	Tetrahydrouridine	0.789
18	URI	Uridine	0.789
19	ZEB	4-hydroxy-3,4-dihydro-zebularine	0.789
20	DDU	2'-5'dideoxyuridine	0.778
21	38T	5-methyluridine	0.750
22	5UD	5-fluorouridine	0.750
23	GEO	Gemcitabine	0.750
24	TV0	4-azanyl-1-[(2~{R},3~{R},4~{S},5~{S})-5-(hydroxymethyl)-3,4,5-tris(oxidanyl)thiolan-2-yl]pyrimidin-2-one	0.750
25	U56	N-hydroxycytidine	0.750
26	UUA	Uridine uronic acid	0.750
27	UZL	O2'-methylycytidine	0.750
28	VVC	4-azanyl-1-[(2~{R},4~{S},5~{R})-5-ethynyl-5-(hydroxymethyl)-4-oxidanyl-oxolan-2-yl]pyrimidin-2-one	0.750
29	DUR	2'-deoxyuridine	0.737
30	THU	Tetrahydrodeoxyuridine	0.737
31	0C	L-cytidine-5'-monophosphate	0.727
32	1SC	5'-O-thiophosphonocytidine	0.727
33	73W	5'-O-[(dithiophosphono)]cytidine	0.727
34	8XC	4-amino-1-(5-O-phosphono-beta-D-xylofuranosyl)pyrimidin-2(1h)-one	0.727
35	C	Cytidine-5'-monophosphate	0.727
36	C5P	Cytidine-5'-monophosphate	0.727
37	CAR	Cytosine arabinose-5'-phosphate	0.727
38	CH	N3-protonated cytidine-5'-monophosphate	0.727
39	IY0	[5-(4-azanyl-2-oxidanylidene-pyrimidin-1-yl)-3,4-bis(oxidanyl)furan-2-yl]methyl dihydrogen phosphate	0.727
40	RQA	5'-O-sulfocytidine	0.727
41	RY	5'-3,6-dihydrocytidylic acid	0.727
42	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	0.714
43	P6D	2'-azidocytidine	0.714
44	0DN	5'-deoxy-5'-fluorothymidine	0.700
45	2TU	1-(beta-D-ribofuranosyl)-2-thioxo-2,3-dihydropyrimidin-4(1h)-one	0.700
46	5AT	5'-amino-5'-deoxythymidine	0.700
47	BRD	1-beta-ribofuranosyl-1,3-diazepinone	0.700
48	ID2	5-iododeoxyuridine	0.700
49	LLT	L-deoxythymidine	0.700
50	THM	Thymidine	0.700
51	U33	5-bromo-2'-deoxy uridine	0.700
52	URD	1-((2r,3r,4s,5r)-tetrahydro-3,4-dihydroxy-5-(hydroxymethyl)furan-2-yl)pyridine-2,4(1h,3h)-dione	0.700
53	WUV	5'-thiothymidine	0.700