1 N5M 5-nitrocytidine 5'-(dihydrogen phosphate) 1.000 2 NDN 2'-deoxy-5-nitrouridine 5'-(dihydrogen phosphate) 0.880 3 NDU 2'-deoxy-5-nitrouridine 5'-monophosphate 0.880 4 0C L-cytidine-5'-monophosphate 0.875 5 8XC 4-amino-1-(5-O-phosphono-beta-D-xylofuranosyl)pyrimidin-2(1h)-one 0.875 6 C Cytidine-5'-monophosphate 0.875 7 C5P Cytidine-5'-monophosphate 0.875 8 CAR Cytosine arabinose-5'-phosphate 0.875 9 CH N3-protonated cytidine-5'-monophosphate 0.875 10 IY0 [5-(4-azanyl-2-oxidanylidene-pyrimidin-1-yl)-3,4-bis(oxidanyl)furan-2-yl]methyl dihydrogen phosphate 0.875 11 RY 5'-3,6-dihydrocytidylic acid 0.875 12 5CF 5-fluorocytidine 5'-(dihydrogen phosphate) 0.840 13 5IC 5-iodo-cytidine-5'-monophosphate 0.840 14 5MC 5-methylcytidine-5'-monophosphate 0.840 15 B8Q 3-methyl, cytidine-5'-monophosphate 0.840 16 CBV 5-bromocytidine 5'-(dihydrogen phosphate) 0.840 17 JMH 3-methylcytidine- 5'-monophosphate 0.840 18 TKW 5-hydroxycytidine 5'-(dihydrogen phosphate) 0.840 19 0DC 2'-deoxy-L-ribo-furanosyl cytosine-5'-monophosphate 0.833 20 DC 2'-deoxycytidine-5'-monophosphate 0.833 21 DCM 2'-deoxycytidine-5'-monophosphate 0.833 22 DNR 2'-deoxy-n3-protonated cytidine-5'-monophosphate 0.833 23 IY9 [5-(4-azanyl-2-oxidanylidene-pyrimidin-1-yl)-3-oxidanyl-furan-2-yl]methyl dihydrogen phosphate 0.833 24 O2C 3'-deoxy-cytidine-5'-monophosphate 0.833 25 PYO 1-(beta-D-ribofuranosyl)-pyrimidin-2-one-5'-phosphate 0.833 26 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 0.833 27 5HM 5-(hydroxymethyl)cytidine 5'-(dihydrogen phosphate) 0.808 28 E3C 3-ethyl, cytidine-5'-monophosphate 0.808 29 MMX 3-ethyl-3,4,5,6-tetrahydrocytidine 5'-(dihydrogen phosphate) 0.808 30 RSQ 5-formylcytidine 5'-(dihydrogen phosphate) 0.808 31 0U L-uridine-5'-monophosphate 0.800 32 1SC 5'-O-thiophosphonocytidine 0.800 33 2GF [(2r,5r)-5-(4-amino-5-chloro-2-oxopyrimidin-1(2h)-yl)-3-oxotetrahydrofuran-2-yl]methyl dihydrogen phosphate 0.800 34 4SU 4-thiouridine-5'-monophosphate 0.800 35 4U3 5-chloro-2'-deoxycytidine 5'-(dihydrogen phosphate) 0.800 36 5CM 5-methyl-2'-deoxy-cytidine-5'-monophosphate 0.800 37 5OC 2'-deoxy-5-hydroxycytidine 5'-(dihydrogen phosphate) 0.800 38 8XU 1-(5-O-phosphono-beta-D-xylofuranosyl)pyrimidine-2,4(1h,3h)-dione 0.800 39 A5M 2'-amine-cytidine-5'-monophosphate 0.800 40 C37 5-fluoro-2'-deoxy-cytidine-5'-monophosphate 0.800 41 C38 5-iodo-2'-deoxy-cytidine-5'-monophosphate 0.800 42 CBR 5-bromo-2'-deoxy-cytidine-5'-monophosphate 0.800 43 CFL 4-amino-1-(2-deoxy-2-fluoro-5-O-phosphono-beta-D-arabinofuranosyl)pyrimidin-2(1h)-one 0.800 44 CFZ 2'-deoxy-2'-fluorocytidine 5'-(dihydrogen phosphate) 0.800 45 H2U 5,6-dihydrouridine-5'-monophosphate 0.800 46 IKS [(2~{R},3~{S},4~{R},5~{R})-5-(4-azanyl-2-oxidanylidene-pyrimidin-1-yl)-3,4-bis(oxidanyl)selenolan-2-yl]methyl dihydrogen phosphate 0.800 47 ME6 [(2r,3s,5r)-5-(4-azanyl-3-methyl-2-oxo-pyrimidin-3-ium-1-yl)-3-hydroxy-oxolan-2-yl]methyl dihydrogen phosphate 0.800 48 OFC 4-amino-1-(2-deoxy-2-fluoro-5-O-phosphono-beta-L-ribofuranosyl)pyrimidin-2(1h)-one 0.800 49 RSP 4-amino-1-(5-O-phosphono-beta-D-ribofuranosyl)pyrimidine-2(1h)-thione 0.800 50 S4C 4'-thio-4'-deoxy-cytosine-5'-monophosphate 0.800 51 U Uridine-5'-monophosphate 0.800 52 U48 5-methyl-2'-deoxy-n3-protonated cytidine-5'-monophosphate 0.800 53 U5P Uridine-5'-monophosphate 0.800 54 UAR Uracil arabinose-5'-phosphate 0.800 55 US5 1-(5-O-phosphono-beta-D-ribofuranosyl)-4-selanylpyrimidin-2(1h)-one 0.800 56 DOC 2',3'-dideoxycytidine-5'-monophosphate 0.792 57 Y5P 1-(5-O-phosphono-beta-D-ribofuranosyl)-1,4-dihydropyrimidine 0.792 58 Z 1-(2-deoxy-5-O-phosphono-beta-D-erythro-pentofuranosyl)pyrimidin-2(1h)-one 0.792 59 10C 4-amino-1-{2,5-anhydro-4-[(phosphonooxy)methyl]-alpha-L-lyxofuranosyl}pyrimidin-2(1h)-one 0.769 60 16B N-hydroxycytidine 5'-(dihydrogen phosphate) 0.769 61 5BU 5-bromo-uridine-5'-monophosphate 0.769 62 5FC 5-formyl-2'-deoxy-cytidine-5'-monophosphate 0.769 63 5FU 5-fluoro-uridine-5'-monophosphate 0.769 64 5HC 2'-deoxy-5-(hydroxymethyl)cytidine 5'-(dihydrogen phosphate) 0.769 65 5MU 5-methyluridine 5'-monophosphate 0.769 66 5SE 2'-deoxy-5-(methylselanyl)cytidine 5'-(dihydrogen phosphate) 0.769 67 7OK N-hydroxycytidine 5'-(dihydrogen phosphate) tautomer 0.769 68 A6C 2-(4-amino-2-oxopyrimidin-1(2h)-yl)-1,5-anhydro-2-deoxy-6-O-phosphono-D-altritol 0.769 69 B8T 4-methyl, cytidine-5'-monophosphate 0.769 70 BMP 6-hydroxyuridine-5'-phosphate 0.769 71 BMQ 1-(5'-phospho-beta-D-ribofuranosyl)barbituric acid 0.769 72 CSL (D)-2'-methylselenyl-2'-deoxycytidine-5'-phosphate 0.769 73 IU 5-iodouridine-5'-monophosphate 0.769 74 MDQ 2'-deoxy-3-(oxidomethyl)cytidine 5'-(dihydrogen phosphate) 0.769 75 NIA ((2r,3s,4r,5r)-5-(5-amino-4-nitro-1h-imidazol-1-yl)-3,4-dihydroxytetrahydrofuran-2-yl)methyl dihydrogen phosphate 0.769 76 NUP 6-aminouridine 5'-monophosphate 0.769 77 OMC O2'-methylycytidine-5'-monophosphate 0.769 78 S5P 6-sulfanyluridine-5'-phosphate 0.769 79 U6M 6-methyluridine 5'-(dihydrogen phosphate) 0.769 80 U7B 2'-deoxy-2'2'-difluorodeoxycytidine 0.769 81 UR3 3-methyluridine-5'-monophoshate 0.769 82 XE6 4-amino-1-(2-O-methyl-5-O-phosphono-beta-L-ribofuranosyl)pyrimidin-2(1h)-one 0.769 83 3KA 1-(2-deoxy-5-O-phosphono-beta-L-erythro-pentofuranosyl)pyrimidine-2,4(1h,3h)-dione 0.760 84 5NC 5-aza-cytidine-5'monophosphate 0.760 85 5PY 1-(2'-deoxy-5'-O-phosphono-beta-D-erythro-pentofuranosyl)-5-methylpyrimidin-2(1h)-one 0.760 86 9L3 [(2r,3s,5r)-5-(4-azanyl-5-methyl-pyrimidin-1-ium-1-yl)-3-oxidanyl-oxolan-2-yl]methyl dihydrogen phosphate 0.760 87 C42 3'-amino-2'-deoxy-cytidine-5'-monophosphate 0.760 88 C4S 2'-deoxy-4'-thiocytidine 5'-(dihydrogen phosphate) 0.760 89 C7R 2'-deoxy-5'-O-thiophosphonocytidine 0.760 90 C7S 2'-deoxy-5'-O-thiophosphonocytidine 0.760 91 CMR 2'-deoxy-cytidine-5'-rp-monomethylphosphonate 0.760 92 DDN 3,4-dihydro-2'-deoxyuridine-5'-monophosphate 0.760 93 DU 2'-deoxyuridine-5'-monophosphate 0.760 94 L2B 3'-deoxyuridine-5'-monophosphate 0.760 95 NP3 1-[2-deoxy-ribofuranosyl]-1h-[3-nitro-pyrrol]-5'-phosphate 0.760 96 SC 2-deoxy-cytidine-5'-thiophosphorate 0.760 97 UMC 2'-deoxy-5'-uridylic acid 0.760 98 UMP 2'-deoxyuridine 5'-monophosphate 0.760 99 1CC 5-carboxy-2'-deoxycytidine monophosphate 0.741 100 5PC 5(1-propynyl)-2'-deoxycytidine-5'-monophosphate 0.741 101 6CN 6-cyanouridine 5'-phosphate 0.741 102 C36 5-methyl-5-fluoro-2'-deoxy-cytidine-5'-monophosphate 0.741 103 C49 4-thio,5-fluoro,5-methyl-2'-deoxy-cytidine-5'-monophosphate 0.741 104 CNU 5-cyano-uridine-5'-monophosphate 0.741 105 EIX [(2r,3s,5s)-5-[(4r,5r)-6-azanyl-5-fluoranyl-5-methyl-2-oxidanylidene-4-sulfanyl-4h-pyrimidin-3-yl]-3-oxidanyl-oxolan-2-yl]methyl dihydrogen phosphate 0.741 106 FMU 5-fluoro-5-methyluridine-5'-monophosphate 0.741 107 FNU 6-amino-5-fluorouridine 5'-(dihydrogen phosphate) 0.741 108 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 0.741 109 JW5 6-(hydroxymethyl)uridine 5'-(dihydrogen phosphate) 0.741 110 KEA 2'-azido-2'-deoxycytidine 5'-(dihydrogen phosphate) 0.741 111 LCC [(1r,3r,4r,7s)-7-hydroxy-3-(5-methylcytosin-1-yl)-2,5-dioxabicyclo[2.2.1]hept-1-yl]methyl dihydrogen phosphate 0.741 112 LV2 [(2~{R},3~{S},4~{R},5~{R})-5-[4-(dimethylamino)-2-oxidanylidene-pyrimidin-1-yl]-3,4-bis(oxidanyl)oxolan-2-yl]methyl dihydrogen phosphate 0.741 113 TDY 5-(methylamino)thymidine 5'-(dihydrogen phosphate) 0.741 114 U1P 6-[(E)-iminomethyl]uridine 5'-phosphate 0.741 115 UEP 6-ethyluridine 5'-phosphate 0.741 116 XFC 4-amino-1-(2-deoxy-2-fluoro-5-O-phosphono-beta-D-arabinofuranosyl)-2-oxo-1,2-dihydropyrimidine-5-carbaldehyde 0.741 117 0DT 2'-deoxy-L-ribo-furanosyl thymidine-5'-monophosphate 0.731 118 2AU 2'-aminouridine 0.731 119 3DU 4-hydroxy-1-(5-O-phosphono-beta-D-ribofuranosyl)pyridin-2(1h)-one 0.731 120 4SC 2'-deoxy-5-methyl-4'-thiocytidine 5'-(dihydrogen phosphate) 0.731 121 5IU 5-iodo-2'-deoxyuridine-5'-monophosphate 0.731 122 6F7 3'-deoxy-5-methyluridine 5'-(dihydrogen phosphate) 0.731 123 6HC 1',5'-anhydro-2',3'-dideoxy-2'-(cytosin-1-yl)-6'-O-phosphoryl-D-arabino-hexitol 0.731 124 73W 5'-O-[(dithiophosphono)]cytidine 0.731 125 7K8 [(2~{R},3~{S},5~{R})-5-[(4~{E})-4-hydroxyimino-2-oxidanylidene-1,3-diazinan-1-yl]-3-oxidanyl-oxolan-2-yl]methyl dihydrogen phosphate 0.731 126 BRU 5-bromo-2'-deoxyuridine-5'-monophosphate 0.731 127 C34 N4-methyl-2'-deoxy-cytidine-5'-monophosphate 0.731 128 DT Thymidine-5'-monophosphate 0.731 129 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 0.731 130 IC Isocytidine-5'-monophosphate 0.731 131 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 0.731 132 MDK 4-amino-1-(2-deoxy-5-O-phosphono-beta-D-erythro-pentofuranosyl)-3-methylpyridin-2(1h)-one 0.731 133 MUM 5'-O-(dihydroxyphosphanyl)-5-methyl-5,6-dihydrouridine 0.731 134 NOH 2'-deoxy-N-hydroxycytidine 5'-(dihydrogen phosphate) 0.731 135 OHU 2'-deoxy-5-hydroxyuridine 5'-(dihydrogen phosphate) 0.731 136 OKN 5'-methyl-2'-deoxycytidine-5'-phosphorothioate 0.731 137 PBT [3-hydroxy-5-(5-methyl-2,4-dioxotetrahydro-1(2h)-pyrimidinyl)tetrahydro-2-furanyl]methyl dihydrogen phosphate 0.731 138 QBT [(2r,3s,5r)-3-hydroxy-5-[(5s)-5-methyl-2,4-dioxo-1,3-diazinan-1-yl]oxolan-2-yl]methyl dihydrogen phosphate 0.731 139 RUS 1-(5-O-phosphono-beta-D-ribofuranosyl)-2-selanylpyrimidin-4(1h)-one 0.731 140 SSU Uridine-5'-phosphorothioate 0.731 141 SUR 1-(beta-D-ribofuranosyl)-2-thio-uracil-5'-phosphate 0.731 142 T4S 1-(2-deoxy-5-O-phosphono-beta-D-erythro-pentofuranosyl)-4-hydroseleno-5-methylpyrimidin-2(1h)-one 0.731 143 TJU [(2~{R},3~{S},5~{R})-5-(4-azanyl-3-methyl-6-oxidanylidene-2~{H}-1,3,5-triazin-1-yl)-3-oxidanyl-oxolan-2-yl]methyl dihydrogen phosphite 0.731 144 TMP Thymidine-5'-phosphate 0.731 145 TTI 2'-deoxy-5-telluroxouridine 5'-(dihydrogen phosphate) 0.731 146 U37 Uridine 5'-monothiophosphate 0.731 147 UCL 5-chloro-2'-deoxyuridine 5'-(dihydrogen phosphate) 0.731 148 UD5 5-fluorouridine 0.731 149 UF2 1-(2-deoxy-2-fluoro-5-O-phosphono-beta-D-arabinofuranosyl)pyrimidine-2,4(1h,3h)-dione 0.731 150 UFP 5-fluoro-2'-deoxyuridine-5'-monophosphate 0.731 151 UFT 2'-deoxy-2'-fluorouridine 5'-(dihydrogen phosphate) 0.731 152 UP6 6-aza uridine 5'-monophosphate 0.731 153 XCL [(1s,4r,6r)-6-hydroxy-4-(cytosin-9-yl)cyclohex-2-en-1-yl]methyl dihydrogen phosphate 0.731 154 XCR [(1r,4s,6s)-4-(4-amino-2-oxopyrimidin-1(2h)-yl)-6-hydroxycyclohex-2-en-1-yl]methyl dihydrogen phosphate 0.731 155 XCT 4-amino-1-(2,3-dideoxy-6-O-phosphono-beta-D-erythro-hexopyranosyl)pyrimidin-2(1h)-one 0.731 156 42E [(2r,5s)-5-(4-amino-2-oxopyrimidin-1(2h)-yl)-1,3-oxathiolan-2-yl]methyl dihydrogen phosphate 0.720 157 CDW (4r)-3-(2-deoxy-5-O-phosphono-beta-D-erythro-pentofuranosyl)-1,3-diazabicyclo[2.2.0]hex-5-en-2-one 0.720 158 UBB 2',3'-dideoxy-uridine-5'-monophosphate 0.720 159 1FC 4-amino-1-(2-deoxy-2-fluoro-5-O-phosphono-beta-D-arabinofuranosyl)-2-oxo-1,2-dihydropyrimidine-5-carboxylic acid 0.714 160 2OM 5,6-dihydroorotidine 5'-monophosphate 0.714 161 4AC N(4)-acetylcytidine-5'-monophosphate 0.714 162 6AU 6-acetyluridine 5'-phosphate 0.714 163 6AZ 6-azidouridine 5'-(dihydrogen phosphate) 0.714 164 8OP [(2r,3s,4r,5r)-5-(6-azanyl-8-oxo-7h-purin-9-yl)-3,4-dihydroxy-oxolan-2-yl]methyl dihydrogen phosphate 0.714 165 I4U 4-isopropyl, uridine-5'-monophosphate 0.714 166 M5M 2'-(N-acetamide)-cytidine-5'-monophosphate 0.714 167 MNU (2r,4s)-1-[(4r)-3,4-dihydroxytetrahydrofuran-2-yl]-5-[(methylamino)methyl]-1,2,3,4-tetrahydropyrimidine-2,4-diol-5'-mon ophosphate 0.714 168 OMP Orotidine-5'-monophosphate 0.714 169 P4U 4-propyl, uridine-5'-monophosphate 0.714 170 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 0.714 171 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 0.714 172 0U1 2'-methylselenyl-2'-deoxy-L-uridine-5'-monophosphate 0.704 173 5DB 1-(2-deoxy-5-O-phosphono-beta-D-erythro-pentofuranosyl)-4-methoxy-5-methylpyrimidin-2(1h)-one 0.704 174 5HU 5-hydroxymethyluridine-2'-deoxy-5'-monophosphate 0.704 175 64P 5-aminothymidine 5'-(dihydrogen phosphate) 0.704 176 64T 5-hydroxy-thymidine-5'-monophosphate 0.704 177 6OO 2'-O-methyl-5'-O-thiophosphonocytidine 0.704 178 A6U 1,5-anhydro-2-deoxy-2-(2,4-dioxo-3,4-dihydropyrimidin-1(2h)-yl)-6-O-phosphono-D-altritol 0.704 179 C45 N4-methoxy-2'-deoxy-cytidine-5'-monophosphate 0.704 180 D00 2'-deoxy-N-ethylcytidine 5'-(dihydrogen phosphate) 0.704 181 EDC N3,n4-etheno-2'-deoxycytidine-5'-monophosphate 0.704 182 JDT 2'-deoxy-5-ethyluridine 5'-(dihydrogen phosphate) 0.704 183 MDJ 4-amino-1-(2-deoxy-5-O-phosphono-beta-D-erythro-pentofuranosyl)-3-(hydroxymethyl)pyridin-2(1h)-one 0.704 184 MFT 3-methylthymidine 5'-(dihydrogen phosphate) 0.704 185 OKQ 2'-O-methylcytidine-5'-phosphorothioate 0.704 186 OMU O2'-methyluridine 5'-monophosphate 0.704 187 T5O 2'-deoxy-5-methoxyuridine 5'-(dihydrogen phosphate) 0.704 188 T5S 2'-deoxy-5-(methylselanyl)uridine 5'-phosphate 0.704 189 TAF 2'-deoxy-2'-fluoro-arabino-furanosyl thymine-5'-phosphate 0.704 190 U4M 1-{2,5-dideoxy-2-fluoro-4-[(phosphonooxy)methyl]-alpha-L-lyxofuranosyl}pyrimidine-2,4(1h,3h)-dione 0.704 191 U5M 1-(2,6-dideoxy-2-fluoro-5-O-phosphono-alpha-L-talofuranosyl)pyrimidine-2,4(1h,3h)-dione 0.704 192 U5R 1-(2,6-dideoxy-2-fluoro-5-O-phosphono-beta-D-allofuranosyl)pyrimidine-2,4(1h,3h)-dione 0.704 193 UFR 2'-deoxy-5-formyluridine 5'-(dihydrogen phosphate) 0.704 194 UMS 2'-methylselenyl-2'-deoxyuridine-5'-phosphate 0.704 195 US2 2'-deoxy-5-(methylsulfanyl)uridine 5'-(dihydrogen phosphate) 0.704 196 USM 2'-S-methyl-2'-thiouridine 5'-(dihydrogen phosphate) 0.704 197 XEC 1-(2-O-methyl-5-O-phosphono-beta-L-ribofuranosyl)pyrimidine-2,4(1h,3h)-dione 0.704