1	URI	Uridine	1.000
2	TYU	Tetrahydrouridine	1.000
3	ZEB	4-hydroxy-3,4-dihydro-zebularine	1.000
4	38T	5-methyluridine	0.944
5	5UD	5-fluorouridine	0.944
6	UUA	Uridine uronic acid	0.944
7	D3Z	1-(5-deoxy-beta-L-xylofuranosyl)pyrimidine-2,4(1h,3h)-dione	0.941
8	DHZ	3,4-dihydro-1h-pyrimidin-2-one nucleoside	0.941
9	DUR	2'-deoxyuridine	0.941
10	THU	Tetrahydrodeoxyuridine	0.941
11	U4P	5'-deoxyuridine	0.941
12	ZE8	Zebularine	0.941
13	2TU	1-(beta-D-ribofuranosyl)-2-thioxo-2,3-dihydropyrimidin-4(1h)-one	0.889
14	AR3	Cytarabine	0.889
15	CTN	4-amino-1-beta-D-ribofuranosyl-2(1h)-pyrimidinone	0.889
16	ID2	5-iododeoxyuridine	0.889
17	LLT	L-deoxythymidine	0.889
18	THM	Thymidine	0.889
19	U33	5-bromo-2'-deoxy uridine	0.889
20	URD	1-((2r,3r,4s,5r)-tetrahydro-3,4-dihydroxy-5-(hydroxymethyl)furan-2-yl)pyridine-2,4(1h,3h)-dione	0.889
21	DDU	2'-5'dideoxyuridine	0.882
22	3DT	3-methylthymidine	0.842
23	5HT	5-hydroxy-thymidine	0.842
24	EDU	2'-deoxy-5-ethynyluridine	0.842
25	F01	4-amino-1-[(2r,3r,4s,5r)-3,4-dihydroxy-5-(hydroxymethyl)oxolan-2-yl]-5-fluoro-pyrimidin-2-one	0.842
26	RDD	1-beta-D-ribofuranosyl-1,3,5-triazinane-2,4,6-trione	0.842
27	38S	1-[(2r,5s)-5-(hydroxymethyl)tetrahydrofuran-2-yl]-5-methylpyrimidine-2,4(1h,3h)-dione	0.833
28	ANU	2,2'-anhydro-(1-beta-D-arabinofuranosyl)uracil	0.833
29	BJE	2,2'-anhydro-(1-beta-D-ribofuranosyl)uracil	0.833
30	DCZ	2'-deoxycytidine	0.833
31	LDC	4-amino-1-(2-deoxy-beta-L-erythro-pentofuranosyl)pyrimidin-2(1h)-one	0.833
32	BVD	5-bromovinyldeoxyuridine	0.800
33	EDV	1-(2-deoxy-2-methyl-beta-D-arabinofuranosyl)-5-ethynylpyrimidine-2,4(1h,3h)-dione	0.800
34	FDU	1-(2-deoxy-2-fluoro-beta-D-arabinofuranosyl)-5-ethynylpyrimidine-2,4(1h,3h)-dione	0.800
35	UZ0	2'-azido-2'-deoxyuridine	0.800
36	0DN	5'-deoxy-5'-fluorothymidine	0.789
37	5AE	4-amino-1-(beta-D-ribofuranosyl)-1,3,5-triazin-2(1h)-one	0.789
38	5AT	5'-amino-5'-deoxythymidine	0.789
39	5BT	5-bromo-2'-deoxycytidine	0.789
40	B86	2'-deoxy-5-fluorocytidine	0.789
41	BRD	1-beta-ribofuranosyl-1,3-diazepinone	0.789
42	CTD	3-deazacytidine	0.789
43	I5A	5'-deoxy-5'-iodocytidine	0.789
44	MCY	5-methyl-2'-deoxycytidine	0.789
45	WUV	5'-thiothymidine	0.789
46	ADU	3'-deoxy-3'-acetamido-uridine	0.762
47	F2U	2'-deoxy-5-ethynyl-2',2'-difluorouridine	0.762
48	P0C	6-methyl-3-(beta-D-ribofuranosyl)-3,7-dihydro-2h-pyrrolo[2,3-D]pyrimidin-2-one	0.762
49	AHU	1',5'-anhydro-2',3'-dideoxy-2'-(5-iodouracil-1-yl)-D-ababino-hexitol	0.750
50	GEO	Gemcitabine	0.750
51	SCT	(south)-methanocarba-thymidine	0.750
52	TCP	5'-methylthymidine	0.750
53	TMC	1-[4-hydroxy-5-(hydroxymethyl)bicyclo[3.1.0]hex-2-yl]-5-methylpyrimidine-2,4(1h,3h)-dione	0.750
54	UZL	O2'-methylycytidine	0.750
55	VVC	4-azanyl-1-[(2~{R},4~{S},5~{R})-5-ethynyl-5-(hydroxymethyl)-4-oxidanyl-oxolan-2-yl]pyrimidin-2-one	0.750
56	0U	L-uridine-5'-monophosphate	0.727
57	8XU	1-(5-O-phosphono-beta-D-xylofuranosyl)pyrimidine-2,4(1h,3h)-dione	0.727
58	H2U	5,6-dihydrouridine-5'-monophosphate	0.727
59	MUM	5'-O-(dihydroxyphosphanyl)-5-methyl-5,6-dihydrouridine	0.727
60	SSU	Uridine-5'-phosphorothioate	0.727
61	U	Uridine-5'-monophosphate	0.727
62	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
63	U37	Uridine 5'-monothiophosphate	0.727
64	U3P	3'-uridinemonophosphate	0.727
65	U4S	1-(5-deoxy-5-pyrrolidin-1-yl-alpha-L-arabinofuranosyl)pyrimidine-2,4(1h,3h)-dione	0.727
66	U5P	Uridine-5'-monophosphate	0.727
67	UA3	Uracil arabinose-3'-phosphate	0.727
68	UAR	Uracil arabinose-5'-phosphate	0.727
69	UD5	5-fluorouridine	0.727
70	S7W	Tegafur	0.722
71	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
72	0NP	2',3'-dideoxy-2'-fluoro-3'-triaza-1,2-dien-2-ium-1-yluridine	0.714
73	8LK	Pyrrolo-dc	0.714
74	AZZ	3'-azido-3'-deoxythymidine	0.714
75	CJB	1-beta-D-glucopyranosylpyrimidine-2,4(1h,3h)-dione	0.714
76	DKX	1-(3-deoxy-3-fluoro-beta-D-glucopyranosyl)pyrimidine-2,4(1h,3h)-dione	0.714
77	HPR	6-hydroxy-7,8-dihydro purine nucleoside	0.714
78	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
79	NOS	Inosine	0.714
80	P6D	2'-azidocytidine	0.714
81	PRH	6-hydroxy-1,6-dihydro purine nucleoside	0.714