1	2BT	2'-O-butyl-thymidine	1.000
2	2AT	2'-O-allyl thymidine-5'-monophosphate	0.962
3	2GT	2'-O-propargyl thymidine-5'-monophosphate	0.962
4	P2T	2'-O-propyl thymidine-5-monophosphate	0.962
5	125	2'-O-fluoroethyl-5-methyl-uridine-5'-monophosphate	0.889
6	U31	2'-O-3-aminopropyl 2'-deoxyuridine-5'-monophosphate	0.889
7	2MU	2',5-dimethyluridine-5'-monophosphate	0.885
8	T41	1-(2-O-methyl-beta-D-arabinofuranosyl)thymidine 5'-monophosphate	0.885
9	127	2'-O-aminooxy-ethyl-5-methyl-uridine-5'-monophosphate	0.857
10	SMT	2'-[(methylthio)ethyloxy]-thymidine-5'-monophosphate	0.857
11	T39	2'-O-methoxyethylene thymidine 5'-monophosphate	0.857
12	OMU	O2'-methyluridine 5'-monophosphate	0.846
13	XEC	1-(2-O-methyl-5-O-phosphono-beta-L-ribofuranosyl)pyrimidine-2,4(1h,3h)-dione	0.846
14	NMS	1-(o2-(2-methylamino-2-oxo-ethyl)-o5-hydroxyphosphinyl-beta-D-ribofuranosyl)thymine	0.828
15	TFE	2'-O-[2-(trifluoro)ethyl] thymidine-5'-monophosphate	0.828
16	C31	2'-O-3-aminopropyl cytidine-5'-monophosphate	0.821
17	U36	2'-O-methyoxyethyl-uridine-5'-monophosphate	0.821
18	T23	2'-O-methyl-3'-methyl-3'-deoxy-arabinofuranosyl-thymine-5'-phosphate	0.815
19	0DT	2'-deoxy-L-ribo-furanosyl thymidine-5'-monophosphate	0.808
20	DT	Thymidine-5'-monophosphate	0.808
21	PBT	[3-hydroxy-5-(5-methyl-2,4-dioxotetrahydro-1(2h)-pyrimidinyl)tetrahydro-2-furanyl]methyl dihydrogen phosphate	0.808
22	QBT	[(2r,3s,5r)-3-hydroxy-5-[(5s)-5-methyl-2,4-dioxo-1,3-diazinan-1-yl]oxolan-2-yl]methyl dihydrogen phosphate	0.808
23	TMP	Thymidine-5'-phosphate	0.808
24	2NT	2'-O-[2-[hydroxy(methyleneamino)oxy]ethyl thymidine-5'-monophosphate	0.800
25	2OT	2'-O-[2-(N,N-dimethylaminooxy)ethyl] thymidine-5'-monophosphate	0.800
26	GMU	2'-O-[(2-guanidinium)ethyl]-5-methyluridine 5'-monophosphate	0.800
27	C5L	2'-O-(2-methoxyethyl)-5-methylcytidine 5'-(dihydrogen phosphate)	0.793
28	NMT	1-(o2-(methylcarbamoyl)-o5-hydroxyphosphinyl-beta-D-ribofuranosyl)thymine	0.793
29	S2M	2'-O-[2-(methoxy)ethyl]-2-thiothymidine-5'-monophosphate	0.793
30	T38	2'-O-ethoxymethylene thymidine 5'-monophosphate	0.793
31	UOA	[(2r,3s,4r,5r)-5-(2,4-dioxo-3,4-dihydropyrimidin-1(2h)-yl)-3-hydroxy-2,4-dimethoxytetrahydrofuran-2-yl]methyl dihydrogen phosphate (non-preferred name)	0.786
32	UOB	2'-ome,4'beta-ome uridine 5'-(dihydrogen phosphate)	0.786
33	5HU	5-hydroxymethyluridine-2'-deoxy-5'-monophosphate	0.778
34	5MU	5-methyluridine 5'-monophosphate	0.778
35	64P	5-aminothymidine 5'-(dihydrogen phosphate)	0.778
36	64T	5-hydroxy-thymidine-5'-monophosphate	0.778
37	JDT	2'-deoxy-5-ethyluridine 5'-(dihydrogen phosphate)	0.778
38	MFT	3-methylthymidine 5'-(dihydrogen phosphate)	0.778
39	OKT	2'-O-methyluridine-5'-phosphorothioate	0.778
40	OMC	O2'-methylycytidine-5'-monophosphate	0.778
41	TAF	2'-deoxy-2'-fluoro-arabino-furanosyl thymine-5'-phosphate	0.778
42	UFR	2'-deoxy-5-formyluridine 5'-(dihydrogen phosphate)	0.778
43	XE6	4-amino-1-(2-O-methyl-5-O-phosphono-beta-L-ribofuranosyl)pyrimidin-2(1h)-one	0.778
44	EIT	((3r,4r,5r)-4-(2-(1h-imidazol-1-yl)ethoxy)-3-hydroxy-5-(5-methyl-2,4-dioxo-3,4-dihydropyrimidin-1(2h)-yl)-tetrahydrofuran-2-yl)methyl dihydrogen phosphate	0.774
45	2DT	3'-deoxythymidine-5'-monophosphate	0.769
46	3KA	1-(2-deoxy-5-O-phosphono-beta-L-erythro-pentofuranosyl)pyrimidine-2,4(1h,3h)-dione	0.769
47	5PY	1-(2'-deoxy-5'-O-phosphono-beta-D-erythro-pentofuranosyl)-5-methylpyrimidin-2(1h)-one	0.769
48	D4M	[(5r)-5-(5-methyl-2,4-dioxo-3,4-dihydropyrimidin-1(2h)-yl)-2,5-dihydrofuran-2-yl]methyl dihydrogen phosphate	0.769
49	DDN	3,4-dihydro-2'-deoxyuridine-5'-monophosphate	0.769
50	DU	2'-deoxyuridine-5'-monophosphate	0.769
51	UMC	2'-deoxy-5'-uridylic acid	0.769
52	UMP	2'-deoxyuridine 5'-monophosphate	0.769
53	C43	2'-O-methyoxyethyl-cytidine-5'-monophosphate	0.759
54	2ST	5-methyl-2'-se-methyl-2'-selenouridine 5'-(dihydrogen phosphate)	0.750
55	3ME	2'-O-{2-[2-(dimethylamino)ethoxy]ethyl}-5-methyluridine 5'-(dihydrogen phosphate)	0.750
56	4OC	4n,o2'-methylcytidine-5'-monophosphate	0.750
57	ATL	[(1s,3r,4s,7r)-7-hydroxy-3-(thymin-1-yl)-2,5-dioxabicyclo[2.2.1]hept-1-yl]methyl dihydrogen phosphate	0.750
58	BVP	(E)-5-(2-bromovinyl)-2'-deoxyuridine-5'-monophosphate	0.750
59	CNU	5-cyano-uridine-5'-monophosphate	0.750
60	CTG	(5r,6s)-5,6-dihydro-5,6-dihydroxythymidine-5'-monophosphate	0.750
61	FMU	5-fluoro-5-methyluridine-5'-monophosphate	0.750
62	JMC	[(2~{R},3~{R},4~{R},5~{R})-5-(4-azanyl-3-methyl-2-oxidanylidene-4~{H}-pyrimidin-1-yl)-4-methoxy-3-oxidanyl-oxolan-2-yl]methyl dihydrogen phosphate	0.750
63	MDU	3-(hydroxymethyl)thymidine 5'-(dihydrogen phosphate)	0.750
64	PDU	5(1-propynyl)-2'-deoxyuridine-5-monophosphate	0.750
65	TDY	5-(methylamino)thymidine 5'-(dihydrogen phosphate)	0.750
66	TLB	2'-O,3'-C-methylene-arabinofuranosyl-thymine-5'-monophosphate	0.750
67	TLN	[(1r,3r,4r,7s)-7-hydroxy-3-(thymin-1-yl)-2,5-dioxabicyclo[2.2.1]hept-1-yl]methyl dihydrogen phosphate	0.750
68	TTM	N3-ethyl-thymidine-5'-monophosphate	0.750
69	UWJ	5-methyl-1-(2-se-methyl-5-O-phosphono-2-seleno-beta-D-arabinofuranosyl)pyrimidine-2,4(1h,3h)-dione	0.750
70	0U	L-uridine-5'-monophosphate	0.741
71	2AU	2'-aminouridine	0.741
72	5CM	5-methyl-2'-deoxy-cytidine-5'-monophosphate	0.741
73	5IU	5-iodo-2'-deoxyuridine-5'-monophosphate	0.741
74	6F7	3'-deoxy-5-methyluridine 5'-(dihydrogen phosphate)	0.741
75	8XU	1-(5-O-phosphono-beta-D-xylofuranosyl)pyrimidine-2,4(1h,3h)-dione	0.741
76	BRU	5-bromo-2'-deoxyuridine-5'-monophosphate	0.741
77	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	0.741
78	FDM	3'-fluoro-3'-deoxythymidine monophosphate	0.741
79	H2U	5,6-dihydrouridine-5'-monophosphate	0.741
80	IMC	N1-[2-deoxy-ribofuranosyl]-[2-amino-5-methyl-4-oxo-4h-pyrimidine]-5'-monophosphate	0.741
81	MUM	5'-O-(dihydroxyphosphanyl)-5-methyl-5,6-dihydrouridine	0.741
82	NYM	3'-deoxy-3'-aminothymidine monophosphate	0.741
83	OHU	2'-deoxy-5-hydroxyuridine 5'-(dihydrogen phosphate)	0.741
84	PST	Thymidine-5'-thiophosphate	0.741
85	T49	S4'-2'deoxythymidine 5'-monophosphate	0.741
86	T4S	1-(2-deoxy-5-O-phosphono-beta-D-erythro-pentofuranosyl)-4-hydroseleno-5-methylpyrimidin-2(1h)-one	0.741
87	TSP	3'-thio-thymidine-5'-phosphate	0.741
88	TTI	2'-deoxy-5-telluroxouridine 5'-(dihydrogen phosphate)	0.741
89	U	Uridine-5'-monophosphate	0.741
90	U48	5-methyl-2'-deoxy-n3-protonated cytidine-5'-monophosphate	0.741
91	U5P	Uridine-5'-monophosphate	0.741
92	UAR	Uracil arabinose-5'-phosphate	0.741
93	UCL	5-chloro-2'-deoxyuridine 5'-(dihydrogen phosphate)	0.741
94	UF2	1-(2-deoxy-2-fluoro-5-O-phosphono-beta-D-arabinofuranosyl)pyrimidine-2,4(1h,3h)-dione	0.741
95	UFP	5-fluoro-2'-deoxyuridine-5'-monophosphate	0.741
96	UFT	2'-deoxy-2'-fluorouridine 5'-(dihydrogen phosphate)	0.741
97	US3	1-(2-deoxy-5-O-phosphono-beta-D-erythro-pentofuranosyl)-5-methyl-2-selanylpyrimidin-4(1h)-one	0.741
98	N7X	5'-O-[(R)-hydroxy(sulfanylidene)-lambda~5~-phosphanyl]-2'-O-(2-methoxyethyl)-5-methylcytidine	0.733
99	UBB	2',3'-dideoxy-uridine-5'-monophosphate	0.731
100	Z	1-(2-deoxy-5-O-phosphono-beta-D-erythro-pentofuranosyl)pyrimidin-2(1h)-one	0.731
101	MNU	(2r,4s)-1-[(4r)-3,4-dihydroxytetrahydrofuran-2-yl]-5-[(methylamino)methyl]-1,2,3,4-tetrahydropyrimidine-2,4-diol-5'-mon ophosphate	0.724
102	TLC	2-O,3-ethdiyl-arabinofuranosyl-thymine-5'-monophosphate	0.724
103	ZDU	5-(3-aminopropyl)-2'-deoxyuridine-5'-monophosphate	0.724
104	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	0.714
105	0U1	2'-methylselenyl-2'-deoxy-L-uridine-5'-monophosphate	0.714
106	5BU	5-bromo-uridine-5'-monophosphate	0.714
107	5DB	1-(2-deoxy-5-O-phosphono-beta-D-erythro-pentofuranosyl)-4-methoxy-5-methylpyrimidin-2(1h)-one	0.714
108	5FC	5-formyl-2'-deoxy-cytidine-5'-monophosphate	0.714
109	5FU	5-fluoro-uridine-5'-monophosphate	0.714
110	5HC	2'-deoxy-5-(hydroxymethyl)cytidine 5'-(dihydrogen phosphate)	0.714
111	5MC	5-methylcytidine-5'-monophosphate	0.714
112	6HT	1',5'-anhydro-2',3'-dideoxy-2'-(thymin-1-yl)-6'-O-phosphoryl-D-arabino-hexitol	0.714
113	6OO	2'-O-methyl-5'-O-thiophosphonocytidine	0.714
114	BMP	6-hydroxyuridine-5'-phosphate	0.714
115	BMQ	1-(5'-phospho-beta-D-ribofuranosyl)barbituric acid	0.714
116	IU	5-iodouridine-5'-monophosphate	0.714
117	NUP	6-aminouridine 5'-monophosphate	0.714
118	OKQ	2'-O-methylcytidine-5'-phosphorothioate	0.714
119	S5P	6-sulfanyluridine-5'-phosphate	0.714
120	T32	6'-alpha-methyl carbocyclic thymidine 5'-monophosphate	0.714
121	T48	6'-alpha-hydroxy carbocyclic thymidine 5'-monophosphate	0.714
122	T5O	2'-deoxy-5-methoxyuridine 5'-(dihydrogen phosphate)	0.714
123	T5S	2'-deoxy-5-(methylselanyl)uridine 5'-phosphate	0.714
124	U4M	1-{2,5-dideoxy-2-fluoro-4-[(phosphonooxy)methyl]-alpha-L-lyxofuranosyl}pyrimidine-2,4(1h,3h)-dione	0.714
125	U5M	1-(2,6-dideoxy-2-fluoro-5-O-phosphono-alpha-L-talofuranosyl)pyrimidine-2,4(1h,3h)-dione	0.714
126	U5R	1-(2,6-dideoxy-2-fluoro-5-O-phosphono-beta-D-allofuranosyl)pyrimidine-2,4(1h,3h)-dione	0.714
127	U6M	6-methyluridine 5'-(dihydrogen phosphate)	0.714
128	UMS	2'-methylselenyl-2'-deoxyuridine-5'-phosphate	0.714
129	UR3	3-methyluridine-5'-monophoshate	0.714
130	US2	2'-deoxy-5-(methylsulfanyl)uridine 5'-(dihydrogen phosphate)	0.714
131	USM	2'-S-methyl-2'-thiouridine 5'-(dihydrogen phosphate)	0.714
132	XTH	1-(2,3-dideoxy-6-O-phosphono-beta-D-erythro-hexopyranosyl)-5-methylpyrimidine-2,4(1h,3h)-dione	0.714
133	XTL	[(1s,4r,6r)-6-hydroxy-4-(thymin-9-yl)cyclohex-2-en-1-yl]methyl dihydrogen phosphate	0.714
134	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	0.714
135	126	2'-O-methyl-[tri(oxyethyl)]-5-methyl-uridine-5'-monophosphate	0.706
136	BOE	2'-O-[2-(benzyloxy)ethyl] thymidine-5'-monophosphate	0.706
137	0DC	2'-deoxy-L-ribo-furanosyl cytosine-5'-monophosphate	0.704
138	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	0.704
139	9L3	[(2r,3s,5r)-5-(4-azanyl-5-methyl-pyrimidin-1-ium-1-yl)-3-oxidanyl-oxolan-2-yl]methyl dihydrogen phosphate	0.704
140	DC	2'-deoxycytidine-5'-monophosphate	0.704
141	DCM	2'-deoxycytidine-5'-monophosphate	0.704
142	DNR	2'-deoxy-n3-protonated cytidine-5'-monophosphate	0.704
143	IY9	[5-(4-azanyl-2-oxidanylidene-pyrimidin-1-yl)-3-oxidanyl-furan-2-yl]methyl dihydrogen phosphate	0.704
144	L2B	3'-deoxyuridine-5'-monophosphate	0.704
145	PYO	1-(beta-D-ribofuranosyl)-pyrimidin-2-one-5'-phosphate	0.704
146	TA3	(4s,5r)-3-(2-deoxy-5-O-phosphono-beta-D-erythro-pentofuranosyl)-5-methyl-1,3-diazabicyclo[2.2.0]hexan-2-one	0.704
147	UPS	2'-deoxy-5'-O-thiophosphonouridine	0.704
148	US1	2'-deoxy-3'-thiouridine 5'-(dihydrogen phosphate)	0.704
149	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	0.704
150	XY7	1-[2-deoxy-5-O-(dihydroxyphosphanyl)-2-fluoro-beta-L-ribofuranosyl]pyrimidine-2,4(1h,3h)-dione	0.704
151	9QV	Uridine 2',5'-bis(dihydrogen phosphate)	0.700
152	B9H	2'-methyl, 3-propyl, cytidine-5'-monophosphate	0.700
153	LHH	[(2~{R},3~{R},4~{R},5~{R})-5-(4-acetamido-2-oxidanylidene-pyrimidin-1-yl)-4-methoxy-3-oxidanyl-oxolan-2-yl]methyl dihydrogen phosphate	0.700
154	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	0.700