1	THS	Thymidine-5'-(dithio)phosphate	1.000
2	T2S	Thymidine-5'-dithiophosphorate	1.000
3	PST	Thymidine-5'-thiophosphate	0.909
4	C2S	Cytidine-5'-dithiophosphorate	0.864
5	UPS	2'-deoxy-5'-O-thiophosphonouridine	0.864
6	0DT	2'-deoxy-L-ribo-furanosyl thymidine-5'-monophosphate	0.826
7	73W	5'-O-[(dithiophosphono)]cytidine	0.826
8	DT	Thymidine-5'-monophosphate	0.826
9	F2T	2'-deoxy-2'-fluoro-5'-O-thiophosphonouridine	0.826
10	MUM	5'-O-(dihydroxyphosphanyl)-5-methyl-5,6-dihydrouridine	0.826
11	OKN	5'-methyl-2'-deoxycytidine-5'-phosphorothioate	0.826
12	PBT	[3-hydroxy-5-(5-methyl-2,4-dioxotetrahydro-1(2h)-pyrimidinyl)tetrahydro-2-furanyl]methyl dihydrogen phosphate	0.826
13	QBT	[(2r,3s,5r)-3-hydroxy-5-[(5s)-5-methyl-2,4-dioxo-1,3-diazinan-1-yl]oxolan-2-yl]methyl dihydrogen phosphate	0.826
14	SSU	Uridine-5'-phosphorothioate	0.826
15	TMP	Thymidine-5'-phosphate	0.826
16	U37	Uridine 5'-monothiophosphate	0.826
17	5HU	5-hydroxymethyluridine-2'-deoxy-5'-monophosphate	0.792
18	5MU	5-methyluridine 5'-monophosphate	0.792
19	64P	5-aminothymidine 5'-(dihydrogen phosphate)	0.792
20	64T	5-hydroxy-thymidine-5'-monophosphate	0.792
21	JDT	2'-deoxy-5-ethyluridine 5'-(dihydrogen phosphate)	0.792
22	MFT	3-methylthymidine 5'-(dihydrogen phosphate)	0.792
23	OKT	2'-O-methyluridine-5'-phosphorothioate	0.792
24	TAF	2'-deoxy-2'-fluoro-arabino-furanosyl thymine-5'-phosphate	0.792
25	UFR	2'-deoxy-5-formyluridine 5'-(dihydrogen phosphate)	0.792
26	2DT	3'-deoxythymidine-5'-monophosphate	0.783
27	3KA	1-(2-deoxy-5-O-phosphono-beta-L-erythro-pentofuranosyl)pyrimidine-2,4(1h,3h)-dione	0.783
28	5PY	1-(2'-deoxy-5'-O-phosphono-beta-D-erythro-pentofuranosyl)-5-methylpyrimidin-2(1h)-one	0.783
29	8RO	[(2~{R},3~{S},5~{R})-5-(5-methyl-2-oxidanylidene-7-thia-1,3-diazabicyclo[4.1.0]hept-5-en-3-yl)-3-oxidanyl-oxolan-2-yl]methyl dihydrogen phosphite	0.783
30	C7R	2'-deoxy-5'-O-thiophosphonocytidine	0.783
31	C7S	2'-deoxy-5'-O-thiophosphonocytidine	0.783
32	D4M	[(5r)-5-(5-methyl-2,4-dioxo-3,4-dihydropyrimidin-1(2h)-yl)-2,5-dihydrofuran-2-yl]methyl dihydrogen phosphate	0.783
33	DDN	3,4-dihydro-2'-deoxyuridine-5'-monophosphate	0.783
34	DU	2'-deoxyuridine-5'-monophosphate	0.783
35	SC	2-deoxy-cytidine-5'-thiophosphorate	0.783
36	UMC	2'-deoxy-5'-uridylic acid	0.783
37	UMP	2'-deoxyuridine 5'-monophosphate	0.783
38	XY7	1-[2-deoxy-5-O-(dihydroxyphosphanyl)-2-fluoro-beta-L-ribofuranosyl]pyrimidine-2,4(1h,3h)-dione	0.783
39	TCP	5'-methylthymidine	0.773
40	2MU	2',5-dimethyluridine-5'-monophosphate	0.760
41	2ST	5-methyl-2'-se-methyl-2'-selenouridine 5'-(dihydrogen phosphate)	0.760
42	A1BBB	5-(hydroxymethyl)uridine 5'-(dihydrogen phosphate)	0.760
43	A1BBC	1-(2-deoxy-2-fluoro-5-O-phosphono-beta-D-arabinofuranosyl)-5-(hydroxymethyl)pyrimidine-2,4(1h,3h)-dione	0.760
44	ATL	[(1s,3r,4s,7r)-7-hydroxy-3-(thymin-1-yl)-2,5-dioxabicyclo[2.2.1]hept-1-yl]methyl dihydrogen phosphate	0.760
45	BVP	(E)-5-(2-bromovinyl)-2'-deoxyuridine-5'-monophosphate	0.760
46	CNU	5-cyano-uridine-5'-monophosphate	0.760
47	CTG	(5r,6s)-5,6-dihydro-5,6-dihydroxythymidine-5'-monophosphate	0.760
48	FMU	5-fluoro-5-methyluridine-5'-monophosphate	0.760
49	MDU	3-(hydroxymethyl)thymidine 5'-(dihydrogen phosphate)	0.760
50	PDU	5(1-propynyl)-2'-deoxyuridine-5-monophosphate	0.760
51	T41	1-(2-O-methyl-beta-D-arabinofuranosyl)thymidine 5'-monophosphate	0.760
52	TDY	5-(methylamino)thymidine 5'-(dihydrogen phosphate)	0.760
53	TLB	2'-O,3'-C-methylene-arabinofuranosyl-thymine-5'-monophosphate	0.760
54	TLN	[(1r,3r,4r,7s)-7-hydroxy-3-(thymin-1-yl)-2,5-dioxabicyclo[2.2.1]hept-1-yl]methyl dihydrogen phosphate	0.760
55	TTM	N3-ethyl-thymidine-5'-monophosphate	0.760
56	UWJ	5-methyl-1-(2-se-methyl-5-O-phosphono-2-seleno-beta-D-arabinofuranosyl)pyrimidine-2,4(1h,3h)-dione	0.760
57	0U	L-uridine-5'-monophosphate	0.750
58	1SC	5'-O-thiophosphonocytidine	0.750
59	2AU	2'-aminouridine	0.750
60	5CM	5-methyl-2'-deoxy-cytidine-5'-monophosphate	0.750
61	5IU	5-iodo-2'-deoxyuridine-5'-monophosphate	0.750
62	6F7	3'-deoxy-5-methyluridine 5'-(dihydrogen phosphate)	0.750
63	8XU	1-(5-O-phosphono-beta-D-xylofuranosyl)pyrimidine-2,4(1h,3h)-dione	0.750
64	A1AAZ	2-thio-thymidine	0.750
65	BRU	5-bromo-2'-deoxyuridine-5'-monophosphate	0.750
66	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	0.750
67	FDM	3'-fluoro-3'-deoxythymidine monophosphate	0.750
68	H2U	5,6-dihydrouridine-5'-monophosphate	0.750
69	IMC	N1-[2-deoxy-ribofuranosyl]-[2-amino-5-methyl-4-oxo-4h-pyrimidine]-5'-monophosphate	0.750
70	NYM	3'-deoxy-3'-aminothymidine monophosphate	0.750
71	OHU	2'-deoxy-5-hydroxyuridine 5'-(dihydrogen phosphate)	0.750
72	T49	S4'-2'deoxythymidine 5'-monophosphate	0.750
73	T4S	1-(2-deoxy-5-O-phosphono-beta-D-erythro-pentofuranosyl)-4-hydroseleno-5-methylpyrimidin-2(1h)-one	0.750
74	TSP	3'-thio-thymidine-5'-phosphate	0.750
75	TTI	2'-deoxy-5-telluroxouridine 5'-(dihydrogen phosphate)	0.750
76	U	Uridine-5'-monophosphate	0.750
77	U48	5-methyl-2'-deoxy-n3-protonated cytidine-5'-monophosphate	0.750
78	U5P	Uridine-5'-monophosphate	0.750
79	UAR	Uracil arabinose-5'-phosphate	0.750
80	UCL	5-chloro-2'-deoxyuridine 5'-(dihydrogen phosphate)	0.750
81	UD5	5-fluorouridine	0.750
82	UF2	1-(2-deoxy-2-fluoro-5-O-phosphono-beta-D-arabinofuranosyl)pyrimidine-2,4(1h,3h)-dione	0.750
83	UFP	5-fluoro-2'-deoxyuridine-5'-monophosphate	0.750
84	UFT	2'-deoxy-2'-fluorouridine 5'-(dihydrogen phosphate)	0.750
85	US3	1-(2-deoxy-5-O-phosphono-beta-D-erythro-pentofuranosyl)-5-methyl-2-selanylpyrimidin-4(1h)-one	0.750
86	UBB	2',3'-dideoxy-uridine-5'-monophosphate	0.739
87	Z	1-(2-deoxy-5-O-phosphono-beta-D-erythro-pentofuranosyl)pyrimidin-2(1h)-one	0.739
88	08Q	5'-O-{(S)-hydroxy[(2-sulfanylethyl)amino]phosphoryl}thymidine	0.731
89	MNU	(2r,4s)-1-[(4r)-3,4-dihydroxytetrahydrofuran-2-yl]-5-[(methylamino)methyl]-1,2,3,4-tetrahydropyrimidine-2,4-diol-5'-mon ophosphate	0.731
90	TLC	2-O,3-ethdiyl-arabinofuranosyl-thymine-5'-monophosphate	0.731
91	TX2	5'-O-{(R)-hydroxy[(2-sulfanylethyl)amino]phosphoryl}thymidine	0.731
92	ZDU	5-(3-aminopropyl)-2'-deoxyuridine-5'-monophosphate	0.731
93	0DN	5'-deoxy-5'-fluorothymidine	0.727
94	5AT	5'-amino-5'-deoxythymidine	0.727
95	LLT	L-deoxythymidine	0.727
96	THM	Thymidine	0.727
97	WUV	5'-thiothymidine	0.727
98	0KZ	[(1r,2s,4s,5s)-2-hydroxy-4-(5-methyl-2,4-dioxo-3,4-dihydropyrimidin-1(2h)-yl)bicyclo[3.1.0]hex-1-yl]methyl dihydrogen phosphate	0.720
99	0U1	2'-methylselenyl-2'-deoxy-L-uridine-5'-monophosphate	0.720
100	5BU	5-bromo-uridine-5'-monophosphate	0.720
101	5DB	1-(2-deoxy-5-O-phosphono-beta-D-erythro-pentofuranosyl)-4-methoxy-5-methylpyrimidin-2(1h)-one	0.720
102	5FC	5-formyl-2'-deoxy-cytidine-5'-monophosphate	0.720
103	5FU	5-fluoro-uridine-5'-monophosphate	0.720
104	5HC	2'-deoxy-5-(hydroxymethyl)cytidine 5'-(dihydrogen phosphate)	0.720
105	5MC	5-methylcytidine-5'-monophosphate	0.720
106	6HT	1',5'-anhydro-2',3'-dideoxy-2'-(thymin-1-yl)-6'-O-phosphoryl-D-arabino-hexitol	0.720
107	6OO	2'-O-methyl-5'-O-thiophosphonocytidine	0.720
108	A1I9V	5-methyl-2-thio-uridine-5'-monophosphate	0.720
109	BMP	6-hydroxyuridine-5'-phosphate	0.720
110	BMQ	1-(5'-phospho-beta-D-ribofuranosyl)barbituric acid	0.720
111	IU	5-iodouridine-5'-monophosphate	0.720
112	KBC	[(2~{R},3~{S},5~{R})-5-[2,4-bis(oxidanylidene)pyrimidin-1-yl]-2-methoxy-3-oxidanyl-oxolan-2-yl]methyl dihydrogen phosphate	0.720
113	NUP	6-aminouridine 5'-monophosphate	0.720
114	OKQ	2'-O-methylcytidine-5'-phosphorothioate	0.720
115	OMU	O2'-methyluridine 5'-monophosphate	0.720
116	S5P	6-sulfanyluridine-5'-phosphate	0.720
117	T32	6'-alpha-methyl carbocyclic thymidine 5'-monophosphate	0.720
118	T48	6'-alpha-hydroxy carbocyclic thymidine 5'-monophosphate	0.720
119	T5O	2'-deoxy-5-methoxyuridine 5'-(dihydrogen phosphate)	0.720
120	T5S	2'-deoxy-5-(methylselanyl)uridine 5'-phosphate	0.720
121	U4M	1-{2,5-dideoxy-2-fluoro-4-[(phosphonooxy)methyl]-alpha-L-lyxofuranosyl}pyrimidine-2,4(1h,3h)-dione	0.720
122	U5M	1-(2,6-dideoxy-2-fluoro-5-O-phosphono-alpha-L-talofuranosyl)pyrimidine-2,4(1h,3h)-dione	0.720
123	U5R	1-(2,6-dideoxy-2-fluoro-5-O-phosphono-beta-D-allofuranosyl)pyrimidine-2,4(1h,3h)-dione	0.720
124	U6M	6-methyluridine 5'-(dihydrogen phosphate)	0.720
125	UMS	2'-methylselenyl-2'-deoxyuridine-5'-phosphate	0.720
126	UR3	3-methyluridine-5'-monophoshate	0.720
127	US2	2'-deoxy-5-(methylsulfanyl)uridine 5'-(dihydrogen phosphate)	0.720
128	USM	2'-S-methyl-2'-thiouridine 5'-(dihydrogen phosphate)	0.720
129	XEC	1-(2-O-methyl-5-O-phosphono-beta-L-ribofuranosyl)pyrimidine-2,4(1h,3h)-dione	0.720
130	XTL	[(1s,4r,6r)-6-hydroxy-4-(thymin-9-yl)cyclohex-2-en-1-yl]methyl dihydrogen phosphate	0.720
131	XTR	[(1r,4s,6s)-6-hydroxy-4-(5-methyl-2,4-dioxo-3,4-dihydropyrimidin-1(2h)-yl)cyclohex-2-en-1-yl]methyl dihydrogen phosphate	0.720
132	DDU	2'-5'dideoxyuridine	0.714
133	0DC	2'-deoxy-L-ribo-furanosyl cytosine-5'-monophosphate	0.708
134	9L3	[(2r,3s,5r)-5-(4-azanyl-5-methyl-pyrimidin-1-ium-1-yl)-3-oxidanyl-oxolan-2-yl]methyl dihydrogen phosphate	0.708
135	CMR	2'-deoxy-cytidine-5'-rp-monomethylphosphonate	0.708
136	DC	2'-deoxycytidine-5'-monophosphate	0.708
137	DCM	2'-deoxycytidine-5'-monophosphate	0.708
138	DNR	2'-deoxy-n3-protonated cytidine-5'-monophosphate	0.708
139	IY9	[5-(4-azanyl-2-oxidanylidene-pyrimidin-1-yl)-3-oxidanyl-furan-2-yl]methyl dihydrogen phosphate	0.708
140	L2B	3'-deoxyuridine-5'-monophosphate	0.708
141	MMT	5'-O-(dimethylamino)-thymidine	0.708
142	PYO	1-(beta-D-ribofuranosyl)-pyrimidin-2-one-5'-phosphate	0.708
143	TA3	(4s,5r)-3-(2-deoxy-5-O-phosphono-beta-D-erythro-pentofuranosyl)-5-methyl-1,3-diazabicyclo[2.2.0]hexan-2-one	0.708
144	US1	2'-deoxy-3'-thiouridine 5'-(dihydrogen phosphate)	0.708
145	XC	[(2~{R},3~{R},5~{R})-5-(6-azanyl-2-oxidanylidene-4,5-dihydropyrimidin-3-yl)-3-oxidanyl-oxolan-2-yl]methyl dihydrogen phosphate	0.708
146	125	2'-O-fluoroethyl-5-methyl-uridine-5'-monophosphate	0.704
147	2AT	2'-O-allyl thymidine-5'-monophosphate	0.704
148	2GT	2'-O-propargyl thymidine-5'-monophosphate	0.704
149	NTT	[(1r,5r,7r,8s)-8-hydroxy-3-methyl-7-(5-methyl-2,4-dioxo-3,4-dihydropyrimidin-1(2h)-yl)-2,6-dioxa-3-azabicyclo[3.2.1]oct-5-yl]methyl dihydrogen phosphate	0.704
150	P2T	2'-O-propyl thymidine-5-monophosphate	0.704
151	QCE	N3-(N-(1-amino-4-methyl-1-oxopentan-2-yl)-2-amino-2-oxo-ethyl)-2'-deoxythymidine	0.704
152	TBD	2*-deoxy-thymidine-5*-alpha borano diphosphate (isomer rp)	0.704
153	TYD	Thymidine-5'-diphosphate	0.704