1	LTT	4-amino-1-[(2s,4s)-2-(hydroxymethyl)-1,3-dioxolan-4-yl]pyrimidin-2(1h)-one	1.000
2	3TC	4-amino-1-[(2r,5s)-2-(hydroxymethyl)-1,3-oxathiolan-5-yl]pyrimidin-2(1h)-one	0.875
3	DCZ	2'-deoxycytidine	0.824
4	ETV	4-amino-5-fluoro-1-[(2r,5s)-2-(hydroxymethyl)-1,3-oxathiolan-5-yl]pyrimidin-2(1h)-one	0.824
5	LDC	4-amino-1-(2-deoxy-beta-L-erythro-pentofuranosyl)pyrimidin-2(1h)-one	0.824
6	5BT	5-bromo-2'-deoxycytidine	0.778
7	AR3	Cytarabine	0.778
8	B86	2'-deoxy-5-fluorocytidine	0.778
9	CTN	4-amino-1-beta-D-ribofuranosyl-2(1h)-pyrimidinone	0.778
10	MCY	5-methyl-2'-deoxycytidine	0.778
11	F01	4-amino-1-[(2r,3r,4s,5r)-3,4-dihydroxy-5-(hydroxymethyl)oxolan-2-yl]-5-fluoro-pyrimidin-2-one	0.737
12	GEO	Gemcitabine	0.737
13	UZL	O2'-methylycytidine	0.737
14	VVC	4-azanyl-1-[(2~{R},4~{S},5~{R})-5-ethynyl-5-(hydroxymethyl)-4-oxidanyl-oxolan-2-yl]pyrimidin-2-one	0.737
15	38S	1-[(2r,5s)-5-(hydroxymethyl)tetrahydrofuran-2-yl]-5-methylpyrimidine-2,4(1h,3h)-dione	0.722
16	DHZ	3,4-dihydro-1h-pyrimidin-2-one nucleoside	0.722
17	DUR	2'-deoxyuridine	0.722
18	THU	Tetrahydrodeoxyuridine	0.722
19	ZE8	Zebularine	0.722
20	C3B	4-amino-1-beta-D-glucopyranosylpyrimidin-2(1h)-one	0.700
21	DKZ	4-amino-1-(3-deoxy-3-fluoro-beta-D-glucopyranosyl)pyrimidin-2(1h)-one	0.700
22	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	0.700
23	P6D	2'-azidocytidine	0.700