1	LLT	L-deoxythymidine	1.000
2	THM	Thymidine	1.000
3	38T	5-methyluridine	0.944
4	3DT	3-methylthymidine	0.944
5	5HT	5-hydroxy-thymidine	0.944
6	EDU	2'-deoxy-5-ethynyluridine	0.944
7	38S	1-[(2r,5s)-5-(hydroxymethyl)tetrahydrofuran-2-yl]-5-methylpyrimidine-2,4(1h,3h)-dione	0.941
8	DUR	2'-deoxyuridine	0.941
9	THU	Tetrahydrodeoxyuridine	0.941
10	BVD	5-bromovinyldeoxyuridine	0.895
11	EDV	1-(2-deoxy-2-methyl-beta-D-arabinofuranosyl)-5-ethynylpyrimidine-2,4(1h,3h)-dione	0.895
12	FDU	1-(2-deoxy-2-fluoro-beta-D-arabinofuranosyl)-5-ethynylpyrimidine-2,4(1h,3h)-dione	0.895
13	0DN	5'-deoxy-5'-fluorothymidine	0.889
14	5AT	5'-amino-5'-deoxythymidine	0.889
15	ID2	5-iododeoxyuridine	0.889
16	MCY	5-methyl-2'-deoxycytidine	0.889
17	TYU	Tetrahydrouridine	0.889
18	U33	5-bromo-2'-deoxy uridine	0.889
19	URI	Uridine	0.889
20	WUV	5'-thiothymidine	0.889
21	ZEB	4-hydroxy-3,4-dihydro-zebularine	0.889
22	DDU	2'-5'dideoxyuridine	0.882
23	F2U	2'-deoxy-5-ethynyl-2',2'-difluorouridine	0.850
24	5UD	5-fluorouridine	0.842
25	SCT	(south)-methanocarba-thymidine	0.842
26	TCP	5'-methylthymidine	0.842
27	TMC	1-[4-hydroxy-5-(hydroxymethyl)bicyclo[3.1.0]hex-2-yl]-5-methylpyrimidine-2,4(1h,3h)-dione	0.842
28	U7I	2'-deoxy-2'-fluoro-2'-methyluridine	0.842
29	UUA	Uridine uronic acid	0.842
30	ANU	2,2'-anhydro-(1-beta-D-arabinofuranosyl)uracil	0.833
31	BJE	2,2'-anhydro-(1-beta-D-ribofuranosyl)uracil	0.833
32	D3Z	1-(5-deoxy-beta-L-xylofuranosyl)pyrimidine-2,4(1h,3h)-dione	0.833
33	DCZ	2'-deoxycytidine	0.833
34	DHZ	3,4-dihydro-1h-pyrimidin-2-one nucleoside	0.833
35	LDC	4-amino-1-(2-deoxy-beta-L-erythro-pentofuranosyl)pyrimidin-2(1h)-one	0.833
36	U4P	5'-deoxyuridine	0.833
37	ZE8	Zebularine	0.833
38	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	0.800
39	AZZ	3'-azido-3'-deoxythymidine	0.800
40	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	0.800
41	UZ0	2'-azido-2'-deoxyuridine	0.800
42	2TU	1-(beta-D-ribofuranosyl)-2-thioxo-2,3-dihydropyrimidin-4(1h)-one	0.789
43	5BT	5-bromo-2'-deoxycytidine	0.789
44	AR3	Cytarabine	0.789
45	B86	2'-deoxy-5-fluorocytidine	0.789
46	CTN	4-amino-1-beta-D-ribofuranosyl-2(1h)-pyrimidinone	0.789
47	URD	1-((2r,3r,4s,5r)-tetrahydro-3,4-dihydroxy-5-(hydroxymethyl)furan-2-yl)pyridine-2,4(1h,3h)-dione	0.789
48	ADT	3'-deoxy-3'-acetamido-thymidine	0.762
49	CKB	1-beta-D-glucopyranosyl-5-methylpyrimidine-2,4(1h,3h)-dione	0.762
50	MMT	5'-O-(dimethylamino)-thymidine	0.762
51	XCI	[(2~{S},3~{S},5~{R})-5-[5-methyl-2,4-bis(oxidanylidene)pyrimidin-1-yl]-3-oxidanyl-oxolan-2-yl]methylselanylphosphonous acid	0.762
52	AHU	1',5'-anhydro-2',3'-dideoxy-2'-(5-iodouracil-1-yl)-D-ababino-hexitol	0.750
53	F01	4-amino-1-[(2r,3r,4s,5r)-3,4-dihydroxy-5-(hydroxymethyl)oxolan-2-yl]-5-fluoro-pyrimidin-2-one	0.750
54	GEO	Gemcitabine	0.750
55	RDD	1-beta-D-ribofuranosyl-1,3,5-triazinane-2,4,6-trione	0.750
56	U56	N-hydroxycytidine	0.750
57	UZL	O2'-methylycytidine	0.750
58	VVC	4-azanyl-1-[(2~{R},4~{S},5~{R})-5-ethynyl-5-(hydroxymethyl)-4-oxidanyl-oxolan-2-yl]pyrimidin-2-one	0.750
59	0DT	2'-deoxy-L-ribo-furanosyl thymidine-5'-monophosphate	0.727
60	ATD	Thymidine-3'-phosphate	0.727
61	D1M	5-ethynyl-1-(beta-D-glucopyranosyl)pyrimidine-2,4(1h,3h)-dione	0.727
62	DT	Thymidine-5'-monophosphate	0.727
63	MUM	5'-O-(dihydroxyphosphanyl)-5-methyl-5,6-dihydrouridine	0.727
64	PBT	[3-hydroxy-5-(5-methyl-2,4-dioxotetrahydro-1(2h)-pyrimidinyl)tetrahydro-2-furanyl]methyl dihydrogen phosphate	0.727
65	PST	Thymidine-5'-thiophosphate	0.727
66	QBT	[(2r,3s,5r)-3-hydroxy-5-[(5s)-5-methyl-2,4-dioxo-1,3-diazinan-1-yl]oxolan-2-yl]methyl dihydrogen phosphate	0.727
67	SPT	5'-thio-thymidine phosphonic acid	0.727
68	T2S	Thymidine-5'-dithiophosphorate	0.727
69	T3P	Thymidine-3'-phosphate	0.727
70	THS	Thymidine-5'-(dithio)phosphate	0.727
71	TMP	Thymidine-5'-phosphate	0.727
72	TXS	1-(2,5-dideoxy-5-pyrrolidin-1-yl-beta-L-erythro-pentofuranosyl)-5-methylpyrimidine-2,4(1h,3h)-dione	0.727
73	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
74	S7W	Tegafur	0.722
75	0NP	2',3'-dideoxy-2'-fluoro-3'-triaza-1,2-dien-2-ium-1-yluridine	0.714
76	8LK	Pyrrolo-dc	0.714
77	CJB	1-beta-D-glucopyranosylpyrimidine-2,4(1h,3h)-dione	0.714
78	DKX	1-(3-deoxy-3-fluoro-beta-D-glucopyranosyl)pyrimidine-2,4(1h,3h)-dione	0.714
79	P6D	2'-azidocytidine	0.714
80	5AE	4-amino-1-(beta-D-ribofuranosyl)-1,3,5-triazin-2(1h)-one	0.700
81	BRD	1-beta-ribofuranosyl-1,3-diazepinone	0.700
82	CTD	3-deazacytidine	0.700
83	I5A	5'-deoxy-5'-iodocytidine	0.700