1	O7E	6-(ethoxycarbonyl)uridine 5'-(dihydrogen phosphate)	1.000
2	O7M	6-(methoxycarbonyl)uridine 5'-(dihydrogen phosphate)	0.962
3	JW5	6-(hydroxymethyl)uridine 5'-(dihydrogen phosphate)	0.885
4	2OM	5,6-dihydroorotidine 5'-monophosphate	0.852
5	6AU	6-acetyluridine 5'-phosphate	0.852
6	OMP	Orotidine-5'-monophosphate	0.852
7	QRT	[(2~{R},3~{S},4~{R},5~{R})-5-[6-aminocarbonyl-2,4-bis(oxidanylidene)pyrimidin-1-yl]-3,4-bis(oxidanyl)oxolan-2-yl]methyl dihydrogen phosphate	0.852
8	U6M	6-methyluridine 5'-(dihydrogen phosphate)	0.846
9	6CN	6-cyanouridine 5'-phosphate	0.815
10	U1P	6-[(E)-iminomethyl]uridine 5'-phosphate	0.815
11	UEP	6-ethyluridine 5'-phosphate	0.815
12	0U	L-uridine-5'-monophosphate	0.808
13	8XU	1-(5-O-phosphono-beta-D-xylofuranosyl)pyrimidine-2,4(1h,3h)-dione	0.808
14	H2U	5,6-dihydrouridine-5'-monophosphate	0.808
15	U	Uridine-5'-monophosphate	0.808
16	U5P	Uridine-5'-monophosphate	0.808
17	UAR	Uracil arabinose-5'-phosphate	0.808
18	QRZ	[(2~{R},3~{S},4~{R},5~{R})-5-[6-carbamothioyl-2,4-bis(oxidanylidene)pyrimidin-1-yl]-3,4-bis(oxidanyl)oxolan-2-yl]methyl dihydrogen phosphate	0.786
19	5BU	5-bromo-uridine-5'-monophosphate	0.778
20	5FU	5-fluoro-uridine-5'-monophosphate	0.778
21	5MU	5-methyluridine 5'-monophosphate	0.778
22	BMP	6-hydroxyuridine-5'-phosphate	0.778
23	BMQ	1-(5'-phospho-beta-D-ribofuranosyl)barbituric acid	0.778
24	IU	5-iodouridine-5'-monophosphate	0.778
25	NUP	6-aminouridine 5'-monophosphate	0.778
26	S5P	6-sulfanyluridine-5'-phosphate	0.778
27	UR3	3-methyluridine-5'-monophoshate	0.778
28	3KA	1-(2-deoxy-5-O-phosphono-beta-L-erythro-pentofuranosyl)pyrimidine-2,4(1h,3h)-dione	0.769
29	DDN	3,4-dihydro-2'-deoxyuridine-5'-monophosphate	0.769
30	DU	2'-deoxyuridine-5'-monophosphate	0.769
31	L2B	3'-deoxyuridine-5'-monophosphate	0.769
32	PYO	1-(beta-D-ribofuranosyl)-pyrimidin-2-one-5'-phosphate	0.769
33	UMC	2'-deoxy-5'-uridylic acid	0.769
34	UMP	2'-deoxyuridine 5'-monophosphate	0.769
35	CNU	5-cyano-uridine-5'-monophosphate	0.750
36	FMU	5-fluoro-5-methyluridine-5'-monophosphate	0.750
37	FNU	6-amino-5-fluorouridine 5'-(dihydrogen phosphate)	0.750
38	0C	L-cytidine-5'-monophosphate	0.741
39	0DT	2'-deoxy-L-ribo-furanosyl thymidine-5'-monophosphate	0.741
40	2AU	2'-aminouridine	0.741
41	3DU	4-hydroxy-1-(5-O-phosphono-beta-D-ribofuranosyl)pyridin-2(1h)-one	0.741
42	4SU	4-thiouridine-5'-monophosphate	0.741
43	5IU	5-iodo-2'-deoxyuridine-5'-monophosphate	0.741
44	6F7	3'-deoxy-5-methyluridine 5'-(dihydrogen phosphate)	0.741
45	8XC	4-amino-1-(5-O-phosphono-beta-D-xylofuranosyl)pyrimidin-2(1h)-one	0.741
46	BRU	5-bromo-2'-deoxyuridine-5'-monophosphate	0.741
47	C	Cytidine-5'-monophosphate	0.741
48	C5P	Cytidine-5'-monophosphate	0.741
49	CAR	Cytosine arabinose-5'-phosphate	0.741
50	CH	N3-protonated cytidine-5'-monophosphate	0.741
51	DT	Thymidine-5'-monophosphate	0.741
52	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
53	IC	Isocytidine-5'-monophosphate	0.741
54	ILK	[(2~{R},3~{S},4~{R},5~{R})-5-[2,4-bis(oxidanylidene)pyrimidin-1-yl]-3,4-bis(oxidanyl)selenolan-2-yl]methyl dihydrogen phosphate	0.741
55	IY0	[5-(4-azanyl-2-oxidanylidene-pyrimidin-1-yl)-3,4-bis(oxidanyl)furan-2-yl]methyl dihydrogen phosphate	0.741
56	MUM	5'-O-(dihydroxyphosphanyl)-5-methyl-5,6-dihydrouridine	0.741
57	OHU	2'-deoxy-5-hydroxyuridine 5'-(dihydrogen phosphate)	0.741
58	PBT	[3-hydroxy-5-(5-methyl-2,4-dioxotetrahydro-1(2h)-pyrimidinyl)tetrahydro-2-furanyl]methyl dihydrogen phosphate	0.741
59	QBT	[(2r,3s,5r)-3-hydroxy-5-[(5s)-5-methyl-2,4-dioxo-1,3-diazinan-1-yl]oxolan-2-yl]methyl dihydrogen phosphate	0.741
60	RUS	1-(5-O-phosphono-beta-D-ribofuranosyl)-2-selanylpyrimidin-4(1h)-one	0.741
61	RY	5'-3,6-dihydrocytidylic acid	0.741
62	SSU	Uridine-5'-phosphorothioate	0.741
63	SUR	1-(beta-D-ribofuranosyl)-2-thio-uracil-5'-phosphate	0.741
64	TMP	Thymidine-5'-phosphate	0.741
65	TTI	2'-deoxy-5-telluroxouridine 5'-(dihydrogen phosphate)	0.741
66	U37	Uridine 5'-monothiophosphate	0.741
67	UCL	5-chloro-2'-deoxyuridine 5'-(dihydrogen phosphate)	0.741
68	UD5	5-fluorouridine	0.741
69	UF2	1-(2-deoxy-2-fluoro-5-O-phosphono-beta-D-arabinofuranosyl)pyrimidine-2,4(1h,3h)-dione	0.741
70	UFP	5-fluoro-2'-deoxyuridine-5'-monophosphate	0.741
71	UFT	2'-deoxy-2'-fluorouridine 5'-(dihydrogen phosphate)	0.741
72	UP6	6-aza uridine 5'-monophosphate	0.741
73	US5	1-(5-O-phosphono-beta-D-ribofuranosyl)-4-selanylpyrimidin-2(1h)-one	0.741
74	UBB	2',3'-dideoxy-uridine-5'-monophosphate	0.731
75	Y5P	1-(5-O-phosphono-beta-D-ribofuranosyl)-1,4-dihydropyrimidine	0.731
76	Z	1-(2-deoxy-5-O-phosphono-beta-D-erythro-pentofuranosyl)pyrimidin-2(1h)-one	0.731
77	6AZ	6-azidouridine 5'-(dihydrogen phosphate)	0.724
78	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
79	0U1	2'-methylselenyl-2'-deoxy-L-uridine-5'-monophosphate	0.714
80	16B	N-hydroxycytidine 5'-(dihydrogen phosphate)	0.714
81	5CF	5-fluorocytidine 5'-(dihydrogen phosphate)	0.714
82	5HU	5-hydroxymethyluridine-2'-deoxy-5'-monophosphate	0.714
83	5IC	5-iodo-cytidine-5'-monophosphate	0.714
84	5MC	5-methylcytidine-5'-monophosphate	0.714
85	64P	5-aminothymidine 5'-(dihydrogen phosphate)	0.714
86	64T	5-hydroxy-thymidine-5'-monophosphate	0.714
87	7OK	N-hydroxycytidine 5'-(dihydrogen phosphate) tautomer	0.714
88	A6U	1,5-anhydro-2-deoxy-2-(2,4-dioxo-3,4-dihydropyrimidin-1(2h)-yl)-6-O-phosphono-D-altritol	0.714
89	B8Q	3-methyl, cytidine-5'-monophosphate	0.714
90	B8T	4-methyl, cytidine-5'-monophosphate	0.714
91	CBV	5-bromocytidine 5'-(dihydrogen phosphate)	0.714
92	JDT	2'-deoxy-5-ethyluridine 5'-(dihydrogen phosphate)	0.714
93	JMH	3-methylcytidine- 5'-monophosphate	0.714
94	MFT	3-methylthymidine 5'-(dihydrogen phosphate)	0.714
95	OMU	O2'-methyluridine 5'-monophosphate	0.714
96	T5O	2'-deoxy-5-methoxyuridine 5'-(dihydrogen phosphate)	0.714
97	T5S	2'-deoxy-5-(methylselanyl)uridine 5'-phosphate	0.714
98	TAF	2'-deoxy-2'-fluoro-arabino-furanosyl thymine-5'-phosphate	0.714
99	TKW	5-hydroxycytidine 5'-(dihydrogen phosphate)	0.714
100	U4M	1-{2,5-dideoxy-2-fluoro-4-[(phosphonooxy)methyl]-alpha-L-lyxofuranosyl}pyrimidine-2,4(1h,3h)-dione	0.714
101	U5M	1-(2,6-dideoxy-2-fluoro-5-O-phosphono-alpha-L-talofuranosyl)pyrimidine-2,4(1h,3h)-dione	0.714
102	U5R	1-(2,6-dideoxy-2-fluoro-5-O-phosphono-beta-D-allofuranosyl)pyrimidine-2,4(1h,3h)-dione	0.714
103	UFR	2'-deoxy-5-formyluridine 5'-(dihydrogen phosphate)	0.714
104	UMS	2'-methylselenyl-2'-deoxyuridine-5'-phosphate	0.714
105	US2	2'-deoxy-5-(methylsulfanyl)uridine 5'-(dihydrogen phosphate)	0.714
106	USM	2'-S-methyl-2'-thiouridine 5'-(dihydrogen phosphate)	0.714
107	XEC	1-(2-O-methyl-5-O-phosphono-beta-L-ribofuranosyl)pyrimidine-2,4(1h,3h)-dione	0.714
108	0DC	2'-deoxy-L-ribo-furanosyl cytosine-5'-monophosphate	0.704
109	2DT	3'-deoxythymidine-5'-monophosphate	0.704
110	5PY	1-(2'-deoxy-5'-O-phosphono-beta-D-erythro-pentofuranosyl)-5-methylpyrimidin-2(1h)-one	0.704
111	D4M	[(5r)-5-(5-methyl-2,4-dioxo-3,4-dihydropyrimidin-1(2h)-yl)-2,5-dihydrofuran-2-yl]methyl dihydrogen phosphate	0.704
112	DC	2'-deoxycytidine-5'-monophosphate	0.704
113	DCM	2'-deoxycytidine-5'-monophosphate	0.704
114	DNR	2'-deoxy-n3-protonated cytidine-5'-monophosphate	0.704
115	IY9	[5-(4-azanyl-2-oxidanylidene-pyrimidin-1-yl)-3-oxidanyl-furan-2-yl]methyl dihydrogen phosphate	0.704
116	O2C	3'-deoxy-cytidine-5'-monophosphate	0.704
117	ONE	1-(beta-D-ribofuranosyl)-pyridin-4-one-5'-phosphate	0.704
118	UPS	2'-deoxy-5'-O-thiophosphonouridine	0.704
119	US1	2'-deoxy-3'-thiouridine 5'-(dihydrogen phosphate)	0.704
120	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
121	XY7	1-[2-deoxy-5-O-(dihydroxyphosphanyl)-2-fluoro-beta-L-ribofuranosyl]pyrimidine-2,4(1h,3h)-dione	0.704