1	DDU	2'-5'dideoxyuridine	1.000
2	D3Z	1-(5-deoxy-beta-L-xylofuranosyl)pyrimidine-2,4(1h,3h)-dione	0.938
3	DUR	2'-deoxyuridine	0.938
4	THU	Tetrahydrodeoxyuridine	0.938
5	U4P	5'-deoxyuridine	0.938
6	0DN	5'-deoxy-5'-fluorothymidine	0.882
7	5AT	5'-amino-5'-deoxythymidine	0.882
8	ID2	5-iododeoxyuridine	0.882
9	LLT	L-deoxythymidine	0.882
10	THM	Thymidine	0.882
11	TYU	Tetrahydrouridine	0.882
12	U33	5-bromo-2'-deoxy uridine	0.882
13	URI	Uridine	0.882
14	WUV	5'-thiothymidine	0.882
15	ZEB	4-hydroxy-3,4-dihydro-zebularine	0.882
16	38T	5-methyluridine	0.833
17	3DT	3-methylthymidine	0.833
18	5HT	5-hydroxy-thymidine	0.833
19	5UD	5-fluorouridine	0.833
20	EDU	2'-deoxy-5-ethynyluridine	0.833
21	TCP	5'-methylthymidine	0.833
22	U7I	2'-deoxy-2'-fluoro-2'-methyluridine	0.833
23	UUA	Uridine uronic acid	0.833
24	38S	1-[(2r,5s)-5-(hydroxymethyl)tetrahydrofuran-2-yl]-5-methylpyrimidine-2,4(1h,3h)-dione	0.824
25	ANU	2,2'-anhydro-(1-beta-D-arabinofuranosyl)uracil	0.824
26	BJE	2,2'-anhydro-(1-beta-D-ribofuranosyl)uracil	0.824
27	DCZ	2'-deoxycytidine	0.824
28	DHZ	3,4-dihydro-1h-pyrimidin-2-one nucleoside	0.824
29	LDC	4-amino-1-(2-deoxy-beta-L-erythro-pentofuranosyl)pyrimidin-2(1h)-one	0.824
30	ZE8	Zebularine	0.824
31	S7W	Tegafur	0.812
32	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	0.789
33	BVD	5-bromovinyldeoxyuridine	0.789
34	EDV	1-(2-deoxy-2-methyl-beta-D-arabinofuranosyl)-5-ethynylpyrimidine-2,4(1h,3h)-dione	0.789
35	FDU	1-(2-deoxy-2-fluoro-beta-D-arabinofuranosyl)-5-ethynylpyrimidine-2,4(1h,3h)-dione	0.789
36	UZ0	2'-azido-2'-deoxyuridine	0.789
37	2TU	1-(beta-D-ribofuranosyl)-2-thioxo-2,3-dihydropyrimidin-4(1h)-one	0.778
38	5BT	5-bromo-2'-deoxycytidine	0.778
39	AR3	Cytarabine	0.778
40	B86	2'-deoxy-5-fluorocytidine	0.778
41	CTN	4-amino-1-beta-D-ribofuranosyl-2(1h)-pyrimidinone	0.778
42	I5A	5'-deoxy-5'-iodocytidine	0.778
43	MCY	5-methyl-2'-deoxycytidine	0.778
44	URD	1-((2r,3r,4s,5r)-tetrahydro-3,4-dihydroxy-5-(hydroxymethyl)furan-2-yl)pyridine-2,4(1h,3h)-dione	0.778
45	3KA	1-(2-deoxy-5-O-phosphono-beta-L-erythro-pentofuranosyl)pyrimidine-2,4(1h,3h)-dione	0.750
46	DDN	3,4-dihydro-2'-deoxyuridine-5'-monophosphate	0.750
47	DU	2'-deoxyuridine-5'-monophosphate	0.750
48	DUS	2'-deoxy-5'-O-sulfouridine	0.750
49	F2U	2'-deoxy-5-ethynyl-2',2'-difluorouridine	0.750
50	MMT	5'-O-(dimethylamino)-thymidine	0.750
51	UMC	2'-deoxy-5'-uridylic acid	0.750
52	UMP	2'-deoxyuridine 5'-monophosphate	0.750
53	UPS	2'-deoxy-5'-O-thiophosphonouridine	0.750
54	XCI	[(2~{S},3~{S},5~{R})-5-[5-methyl-2,4-bis(oxidanylidene)pyrimidin-1-yl]-3-oxidanyl-oxolan-2-yl]methylselanylphosphonous acid	0.750
55	XY7	1-[2-deoxy-5-O-(dihydroxyphosphanyl)-2-fluoro-beta-L-ribofuranosyl]pyrimidine-2,4(1h,3h)-dione	0.750
56	AHU	1',5'-anhydro-2',3'-dideoxy-2'-(5-iodouracil-1-yl)-D-ababino-hexitol	0.737
57	F01	4-amino-1-[(2r,3r,4s,5r)-3,4-dihydroxy-5-(hydroxymethyl)oxolan-2-yl]-5-fluoro-pyrimidin-2-one	0.737
58	GEO	Gemcitabine	0.737
59	RDD	1-beta-D-ribofuranosyl-1,3,5-triazinane-2,4,6-trione	0.737
60	SCT	(south)-methanocarba-thymidine	0.737
61	TMC	1-[4-hydroxy-5-(hydroxymethyl)bicyclo[3.1.0]hex-2-yl]-5-methylpyrimidine-2,4(1h,3h)-dione	0.737
62	U56	N-hydroxycytidine	0.737
63	UZL	O2'-methylycytidine	0.737
64	VVC	4-azanyl-1-[(2~{R},4~{S},5~{R})-5-ethynyl-5-(hydroxymethyl)-4-oxidanyl-oxolan-2-yl]pyrimidin-2-one	0.737
65	0DT	2'-deoxy-L-ribo-furanosyl thymidine-5'-monophosphate	0.714
66	0U	L-uridine-5'-monophosphate	0.714
67	2AU	2'-aminouridine	0.714
68	5IU	5-iodo-2'-deoxyuridine-5'-monophosphate	0.714
69	8XU	1-(5-O-phosphono-beta-D-xylofuranosyl)pyrimidine-2,4(1h,3h)-dione	0.714
70	BRU	5-bromo-2'-deoxyuridine-5'-monophosphate	0.714
71	DT	Thymidine-5'-monophosphate	0.714
72	EW3	[(2~{R},3~{R},4~{R},5~{R})-5-[2,4-bis(oxidanylidene)-1,3-diazinan-1-yl]-4-fluoranyl-3-oxidanyl-oxolan-2-yl]methyl dihydrogen phosphate	0.714
73	F2T	2'-deoxy-2'-fluoro-5'-O-thiophosphonouridine	0.714
74	H2U	5,6-dihydrouridine-5'-monophosphate	0.714
75	MUM	5'-O-(dihydroxyphosphanyl)-5-methyl-5,6-dihydrouridine	0.714
76	OHU	2'-deoxy-5-hydroxyuridine 5'-(dihydrogen phosphate)	0.714
77	PBT	[3-hydroxy-5-(5-methyl-2,4-dioxotetrahydro-1(2h)-pyrimidinyl)tetrahydro-2-furanyl]methyl dihydrogen phosphate	0.714
78	PST	Thymidine-5'-thiophosphate	0.714
79	QBT	[(2r,3s,5r)-3-hydroxy-5-[(5s)-5-methyl-2,4-dioxo-1,3-diazinan-1-yl]oxolan-2-yl]methyl dihydrogen phosphate	0.714
80	SPT	5'-thio-thymidine phosphonic acid	0.714
81	SSU	Uridine-5'-phosphorothioate	0.714
82	T2S	Thymidine-5'-dithiophosphorate	0.714
83	THS	Thymidine-5'-(dithio)phosphate	0.714
84	TMP	Thymidine-5'-phosphate	0.714
85	TTI	2'-deoxy-5-telluroxouridine 5'-(dihydrogen phosphate)	0.714
86	TXS	1-(2,5-dideoxy-5-pyrrolidin-1-yl-beta-L-erythro-pentofuranosyl)-5-methylpyrimidine-2,4(1h,3h)-dione	0.714
87	U	Uridine-5'-monophosphate	0.714
88	U2P	Phosphoric acid mono-[2-(2,4-dioxo-3,4-dihydro-2h-pyrimidin-1-yl)-4-hydroxy-5-hydroxymethyl-tetrahydro-furan-3-yl] ester	0.714
89	U37	Uridine 5'-monothiophosphate	0.714
90	U4S	1-(5-deoxy-5-pyrrolidin-1-yl-alpha-L-arabinofuranosyl)pyrimidine-2,4(1h,3h)-dione	0.714
91	U5P	Uridine-5'-monophosphate	0.714
92	UAR	Uracil arabinose-5'-phosphate	0.714
93	UCL	5-chloro-2'-deoxyuridine 5'-(dihydrogen phosphate)	0.714
94	UD5	5-fluorouridine	0.714
95	UF2	1-(2-deoxy-2-fluoro-5-O-phosphono-beta-D-arabinofuranosyl)pyrimidine-2,4(1h,3h)-dione	0.714
96	UFP	5-fluoro-2'-deoxyuridine-5'-monophosphate	0.714
97	UFT	2'-deoxy-2'-fluorouridine 5'-(dihydrogen phosphate)	0.714
98	XWS	(2r,4r)-1-phenylhexahydropyrimidine-2,4-diol	0.706
99	0NP	2',3'-dideoxy-2'-fluoro-3'-triaza-1,2-dien-2-ium-1-yluridine	0.700
100	8LK	Pyrrolo-dc	0.700
101	AZZ	3'-azido-3'-deoxythymidine	0.700
102	CJB	1-beta-D-glucopyranosylpyrimidine-2,4(1h,3h)-dione	0.700
103	DKX	1-(3-deoxy-3-fluoro-beta-D-glucopyranosyl)pyrimidine-2,4(1h,3h)-dione	0.700
104	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
105	P6D	2'-azidocytidine	0.700
106	UBB	2',3'-dideoxy-uridine-5'-monophosphate	0.700
107	Z	1-(2-deoxy-5-O-phosphono-beta-D-erythro-pentofuranosyl)pyrimidin-2(1h)-one	0.700