1	DUR	2'-deoxyuridine	1.000
2	THU	Tetrahydrodeoxyuridine	1.000
3	ID2	5-iododeoxyuridine	0.941
4	LLT	L-deoxythymidine	0.941
5	THM	Thymidine	0.941
6	TYU	Tetrahydrouridine	0.941
7	U33	5-bromo-2'-deoxy uridine	0.941
8	URI	Uridine	0.941
9	ZEB	4-hydroxy-3,4-dihydro-zebularine	0.941
10	DDU	2'-5'dideoxyuridine	0.938
11	38T	5-methyluridine	0.889
12	3DT	3-methylthymidine	0.889
13	5HT	5-hydroxy-thymidine	0.889
14	5UD	5-fluorouridine	0.889
15	EDU	2'-deoxy-5-ethynyluridine	0.889
16	U7I	2'-deoxy-2'-fluoro-2'-methyluridine	0.889
17	UUA	Uridine uronic acid	0.889
18	Y7U	2',2'-difluorodeoxyuridine	0.889
19	YC6	1-(2-deoxy-alpha-D-erythro-pentofuranosyl)-5-methylpyrimidine-2,4(1h,3h)-dione	0.889
20	38S	1-[(2r,5s)-5-(hydroxymethyl)tetrahydrofuran-2-yl]-5-methylpyrimidine-2,4(1h,3h)-dione	0.882
21	ANU	2,2'-anhydro-(1-beta-D-arabinofuranosyl)uracil	0.882
22	BJE	2,2'-anhydro-(1-beta-D-ribofuranosyl)uracil	0.882
23	D3Z	1-(5-deoxy-beta-L-xylofuranosyl)pyrimidine-2,4(1h,3h)-dione	0.882
24	DCZ	2'-deoxycytidine	0.882
25	DHZ	3,4-dihydro-1h-pyrimidin-2-one nucleoside	0.882
26	LDC	4-amino-1-(2-deoxy-beta-L-erythro-pentofuranosyl)pyrimidin-2(1h)-one	0.882
27	U4P	5'-deoxyuridine	0.882
28	ZE8	Zebularine	0.882
29	BVD	5-bromovinyldeoxyuridine	0.842
30	EDV	1-(2-deoxy-2-methyl-beta-D-arabinofuranosyl)-5-ethynylpyrimidine-2,4(1h,3h)-dione	0.842
31	FDU	1-(2-deoxy-2-fluoro-beta-D-arabinofuranosyl)-5-ethynylpyrimidine-2,4(1h,3h)-dione	0.842
32	UZ0	2'-azido-2'-deoxyuridine	0.842
33	0DN	5'-deoxy-5'-fluorothymidine	0.833
34	2TU	1-(beta-D-ribofuranosyl)-2-thioxo-2,3-dihydropyrimidin-4(1h)-one	0.833
35	5AT	5'-amino-5'-deoxythymidine	0.833
36	5BT	5-bromo-2'-deoxycytidine	0.833
37	AR3	Cytarabine	0.833
38	B86	2'-deoxy-5-fluorocytidine	0.833
39	CTN	4-amino-1-beta-D-ribofuranosyl-2(1h)-pyrimidinone	0.833
40	MCY	5-methyl-2'-deoxycytidine	0.833
41	URD	1-((2r,3r,4s,5r)-tetrahydro-3,4-dihydroxy-5-(hydroxymethyl)furan-2-yl)pyridine-2,4(1h,3h)-dione	0.833
42	WUV	5'-thiothymidine	0.833
43	F2U	2'-deoxy-5-ethynyl-2',2'-difluorouridine	0.800
44	AHU	1',5'-anhydro-2',3'-dideoxy-2'-(5-iodouracil-1-yl)-D-ababino-hexitol	0.789
45	F01	4-amino-1-[(2r,3r,4s,5r)-3,4-dihydroxy-5-(hydroxymethyl)oxolan-2-yl]-5-fluoro-pyrimidin-2-one	0.789
46	GEO	Gemcitabine	0.789
47	RDD	1-beta-D-ribofuranosyl-1,3,5-triazinane-2,4,6-trione	0.789
48	SCT	(south)-methanocarba-thymidine	0.789
49	TCP	5'-methylthymidine	0.789
50	TMC	1-[4-hydroxy-5-(hydroxymethyl)bicyclo[3.1.0]hex-2-yl]-5-methylpyrimidine-2,4(1h,3h)-dione	0.789
51	U56	N-hydroxycytidine	0.789
52	UZL	O2'-methylycytidine	0.789
53	VVC	4-azanyl-1-[(2~{R},4~{S},5~{R})-5-ethynyl-5-(hydroxymethyl)-4-oxidanyl-oxolan-2-yl]pyrimidin-2-one	0.789
54	S7W	Tegafur	0.765
55	U2P	Phosphoric acid mono-[2-(2,4-dioxo-3,4-dihydro-2h-pyrimidin-1-yl)-4-hydroxy-5-hydroxymethyl-tetrahydro-furan-3-yl] ester	0.762
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	0.750
57	0NP	2',3'-dideoxy-2'-fluoro-3'-triaza-1,2-dien-2-ium-1-yluridine	0.750
58	8LK	Pyrrolo-dc	0.750
59	AZZ	3'-azido-3'-deoxythymidine	0.750
60	CJB	1-beta-D-glucopyranosylpyrimidine-2,4(1h,3h)-dione	0.750
61	DKX	1-(3-deoxy-3-fluoro-beta-D-glucopyranosyl)pyrimidine-2,4(1h,3h)-dione	0.750
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	0.750
63	P6D	2'-azidocytidine	0.750
64	5AE	4-amino-1-(beta-D-ribofuranosyl)-1,3,5-triazin-2(1h)-one	0.737
65	BRD	1-beta-ribofuranosyl-1,3-diazepinone	0.737
66	CTD	3-deazacytidine	0.737
67	I5A	5'-deoxy-5'-iodocytidine	0.737
68	TQR	4-azanyl-1-[(2~{R},3~{R},4~{S},5~{R})-5-(hydroxymethyl)-3,4-bis(oxidanyl)thiolan-2-yl]pyrimidin-2-one	0.737
69	BTD	5-bromothienyldeoxyuridine	0.727
70	3TC	4-amino-1-[(2r,5s)-2-(hydroxymethyl)-1,3-oxathiolan-5-yl]pyrimidin-2(1h)-one	0.722
71	LTT	4-amino-1-[(2s,4s)-2-(hydroxymethyl)-1,3-dioxolan-4-yl]pyrimidin-2(1h)-one	0.722
72	3KA	1-(2-deoxy-5-O-phosphono-beta-L-erythro-pentofuranosyl)pyrimidine-2,4(1h,3h)-dione	0.714
73	8HG	2'-deoxy-8-oxoguanosine	0.714
74	A1EHT	N4-acetylcytidine	0.714
75	ADT	3'-deoxy-3'-acetamido-thymidine	0.714
76	ADU	3'-deoxy-3'-acetamido-uridine	0.714
77	CKB	1-beta-D-glucopyranosyl-5-methylpyrimidine-2,4(1h,3h)-dione	0.714
78	DDN	3,4-dihydro-2'-deoxyuridine-5'-monophosphate	0.714
79	DK4	1-(3-deoxy-3-fluoro-beta-D-glucopyranosyl)-5-fluoropyrimidine-2,4(1h,3h)-dione	0.714
80	DU	2'-deoxyuridine-5'-monophosphate	0.714
81	DUS	2'-deoxy-5'-O-sulfouridine	0.714
82	GPK	5-fluoro-1-(beta-D-glucopyranosyl)pyrimidine-2,4(1h,3h)-dione	0.714
83	GPQ	5-chloro-1-(beta-D-glucopyranosyl)pyrimidine-2,4(1h,3h)-dione	0.714
84	GPU	5-bromo-1-(beta-D-glucopyranosyl)pyrimidine-2,4(1h,3h)-dione	0.714
85	GPV	1-(beta-D-glucopyranosyl)-5-iodopyrimidine-2,4(1h,3h)-dione	0.714
86	JKM	1-[(2s,3as,4s,6r,6ar)-2-hydroxy-6-(hydroxymethyl)-2-oxidotetrahydrofuro[3,4-D][1,3,2]dioxaphosphol-4-yl]pyrimidine-2,4( 1h,3h)-dione	0.714
87	MMT	5'-O-(dimethylamino)-thymidine	0.714
88	P0C	6-methyl-3-(beta-D-ribofuranosyl)-3,7-dihydro-2h-pyrrolo[2,3-D]pyrimidin-2-one	0.714
89	UM3	2'-deoxyuridine 3'-monophosphate	0.714
90	UMC	2'-deoxy-5'-uridylic acid	0.714
91	UMP	2'-deoxyuridine 5'-monophosphate	0.714
92	UPS	2'-deoxy-5'-O-thiophosphonouridine	0.714
93	UPT	1-[(2r,3ar,4r,6r,6ar)-2-hydroxy-6-(hydroxymethyl)-2-sulfidotetrahydrofuro[3,4-D][1,3,2]dioxaphosphol-4-yl]pyrimidine-2,4(1h,3h)-dione	0.714
94	XCI	[(2~{S},3~{S},5~{R})-5-[5-methyl-2,4-bis(oxidanylidene)pyrimidin-1-yl]-3-oxidanyl-oxolan-2-yl]methylselanylphosphonous acid	0.714
95	XY7	1-[2-deoxy-5-O-(dihydroxyphosphanyl)-2-fluoro-beta-L-ribofuranosyl]pyrimidine-2,4(1h,3h)-dione	0.714
96	2ND	2'-deoxyinosine	0.700
97	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	0.700