1	U33	5-bromo-2'-deoxy uridine	1.000
2	DUR	2'-deoxyuridine	0.941
3	THU	Tetrahydrodeoxyuridine	0.941
4	5BT	5-bromo-2'-deoxycytidine	0.889
5	ID2	5-iododeoxyuridine	0.889
6	LLT	L-deoxythymidine	0.889
7	THM	Thymidine	0.889
8	TYU	Tetrahydrouridine	0.889
9	URI	Uridine	0.889
10	ZEB	4-hydroxy-3,4-dihydro-zebularine	0.889
11	DDU	2'-5'dideoxyuridine	0.882
12	38T	5-methyluridine	0.842
13	3DT	3-methylthymidine	0.842
14	5HT	5-hydroxy-thymidine	0.842
15	5UD	5-fluorouridine	0.842
16	EDU	2'-deoxy-5-ethynyluridine	0.842
17	U7I	2'-deoxy-2'-fluoro-2'-methyluridine	0.842
18	UUA	Uridine uronic acid	0.842
19	38S	1-[(2r,5s)-5-(hydroxymethyl)tetrahydrofuran-2-yl]-5-methylpyrimidine-2,4(1h,3h)-dione	0.833
20	ANU	2,2'-anhydro-(1-beta-D-arabinofuranosyl)uracil	0.833
21	BJE	2,2'-anhydro-(1-beta-D-ribofuranosyl)uracil	0.833
22	D3Z	1-(5-deoxy-beta-L-xylofuranosyl)pyrimidine-2,4(1h,3h)-dione	0.833
23	DCZ	2'-deoxycytidine	0.833
24	DHZ	3,4-dihydro-1h-pyrimidin-2-one nucleoside	0.833
25	LDC	4-amino-1-(2-deoxy-beta-L-erythro-pentofuranosyl)pyrimidin-2(1h)-one	0.833
26	U4P	5'-deoxyuridine	0.833
27	ZE8	Zebularine	0.833
28	BVD	5-bromovinyldeoxyuridine	0.800
29	EDV	1-(2-deoxy-2-methyl-beta-D-arabinofuranosyl)-5-ethynylpyrimidine-2,4(1h,3h)-dione	0.800
30	FDU	1-(2-deoxy-2-fluoro-beta-D-arabinofuranosyl)-5-ethynylpyrimidine-2,4(1h,3h)-dione	0.800
31	UZ0	2'-azido-2'-deoxyuridine	0.800
32	0DN	5'-deoxy-5'-fluorothymidine	0.789
33	2TU	1-(beta-D-ribofuranosyl)-2-thioxo-2,3-dihydropyrimidin-4(1h)-one	0.789
34	5AT	5'-amino-5'-deoxythymidine	0.789
35	AR3	Cytarabine	0.789
36	B86	2'-deoxy-5-fluorocytidine	0.789
37	CTN	4-amino-1-beta-D-ribofuranosyl-2(1h)-pyrimidinone	0.789
38	MCY	5-methyl-2'-deoxycytidine	0.789
39	URD	1-((2r,3r,4s,5r)-tetrahydro-3,4-dihydroxy-5-(hydroxymethyl)furan-2-yl)pyridine-2,4(1h,3h)-dione	0.789
40	WUV	5'-thiothymidine	0.789
41	F2U	2'-deoxy-5-ethynyl-2',2'-difluorouridine	0.762
42	GPU	5-bromo-1-(beta-D-glucopyranosyl)pyrimidine-2,4(1h,3h)-dione	0.762
43	AHU	1',5'-anhydro-2',3'-dideoxy-2'-(5-iodouracil-1-yl)-D-ababino-hexitol	0.750
44	F01	4-amino-1-[(2r,3r,4s,5r)-3,4-dihydroxy-5-(hydroxymethyl)oxolan-2-yl]-5-fluoro-pyrimidin-2-one	0.750
45	GEO	Gemcitabine	0.750
46	RDD	1-beta-D-ribofuranosyl-1,3,5-triazinane-2,4,6-trione	0.750
47	SCT	(south)-methanocarba-thymidine	0.750
48	TCP	5'-methylthymidine	0.750
49	TMC	1-[4-hydroxy-5-(hydroxymethyl)bicyclo[3.1.0]hex-2-yl]-5-methylpyrimidine-2,4(1h,3h)-dione	0.750
50	U56	N-hydroxycytidine	0.750
51	UZL	O2'-methylycytidine	0.750
52	VVC	4-azanyl-1-[(2~{R},4~{S},5~{R})-5-ethynyl-5-(hydroxymethyl)-4-oxidanyl-oxolan-2-yl]pyrimidin-2-one	0.750
53	BRU	5-bromo-2'-deoxyuridine-5'-monophosphate	0.727
54	U2P	Phosphoric acid mono-[2-(2,4-dioxo-3,4-dihydro-2h-pyrimidin-1-yl)-4-hydroxy-5-hydroxymethyl-tetrahydro-furan-3-yl] ester	0.727
55	S7W	Tegafur	0.722
56	0MI	1-[(2~{R},4~{S},5~{R})-5-[[(azanylidene-$L^{4}-azanylidene)amino]methyl]-4-oxidanyl-oxolan-2-yl]-5-methyl-pyrimidine-2,4-dione	0.714
57	0NP	2',3'-dideoxy-2'-fluoro-3'-triaza-1,2-dien-2-ium-1-yluridine	0.714
58	8LK	Pyrrolo-dc	0.714
59	AZZ	3'-azido-3'-deoxythymidine	0.714
60	CJB	1-beta-D-glucopyranosylpyrimidine-2,4(1h,3h)-dione	0.714
61	DKX	1-(3-deoxy-3-fluoro-beta-D-glucopyranosyl)pyrimidine-2,4(1h,3h)-dione	0.714
62	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
63	P6D	2'-azidocytidine	0.714
64	5AE	4-amino-1-(beta-D-ribofuranosyl)-1,3,5-triazin-2(1h)-one	0.700
65	BRD	1-beta-ribofuranosyl-1,3-diazepinone	0.700
66	CTD	3-deazacytidine	0.700
67	I5A	5'-deoxy-5'-iodocytidine	0.700