1 9QV Uridine 2',5'-bis(dihydrogen phosphate) 1.000 2 OMU O2'-methyluridine 5'-monophosphate 0.808 3 XEC 1-(2-O-methyl-5-O-phosphono-beta-L-ribofuranosyl)pyrimidine-2,4(1h,3h)-dione 0.808 4 3KA 1-(2-deoxy-5-O-phosphono-beta-L-erythro-pentofuranosyl)pyrimidine-2,4(1h,3h)-dione 0.800 5 A1EJD [(2~{R},3~{R},4~{R},5~{R})-5-[2,4-bis(oxidanylidene)pyrimidin-1-yl]-3,4-diphosphonooxy-oxolan-2-yl]methyl dihydrogen phosphate 0.800 6 DDN 3,4-dihydro-2'-deoxyuridine-5'-monophosphate 0.800 7 DU 2'-deoxyuridine-5'-monophosphate 0.800 8 UMC 2'-deoxy-5'-uridylic acid 0.800 9 UMP 2'-deoxyuridine 5'-monophosphate 0.800 10 2MU 2',5-dimethyluridine-5'-monophosphate 0.778 11 A1IC1 [(2~{R},3~{R},4~{R},5~{R})-4-methoxy-5-[3-methyl-2,4-bis(oxidanylidene)pyrimidin-1-yl]-3-oxidanyl-oxolan-2-yl]methyl dihydrogen phosphite 0.778 12 T41 1-(2-O-methyl-beta-D-arabinofuranosyl)thymidine 5'-monophosphate 0.778 13 0DT 2'-deoxy-L-ribo-furanosyl thymidine-5'-monophosphate 0.769 14 0U L-uridine-5'-monophosphate 0.769 15 2AU 2'-aminouridine 0.769 16 5IU 5-iodo-2'-deoxyuridine-5'-monophosphate 0.769 17 8XU 1-(5-O-phosphono-beta-D-xylofuranosyl)pyrimidine-2,4(1h,3h)-dione 0.769 18 A1IT3 2'-thiouridine-5'-monophosphate 0.769 19 BRU 5-bromo-2'-deoxyuridine-5'-monophosphate 0.769 20 DT Thymidine-5'-monophosphate 0.769 21 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 0.769 22 H2U 5,6-dihydrouridine-5'-monophosphate 0.769 23 OHU 2'-deoxy-5-hydroxyuridine 5'-(dihydrogen phosphate) 0.769 24 PBT [3-hydroxy-5-(5-methyl-2,4-dioxotetrahydro-1(2h)-pyrimidinyl)tetrahydro-2-furanyl]methyl dihydrogen phosphate 0.769 25 QBT [(2r,3s,5r)-3-hydroxy-5-[(5s)-5-methyl-2,4-dioxo-1,3-diazinan-1-yl]oxolan-2-yl]methyl dihydrogen phosphate 0.769 26 TMP Thymidine-5'-phosphate 0.769 27 TTI 2'-deoxy-5-telluroxouridine 5'-(dihydrogen phosphate) 0.769 28 U Uridine-5'-monophosphate 0.769 29 U2P Phosphoric acid mono-[2-(2,4-dioxo-3,4-dihydro-2h-pyrimidin-1-yl)-4-hydroxy-5-hydroxymethyl-tetrahydro-furan-3-yl] ester 0.769 30 U5P Uridine-5'-monophosphate 0.769 31 UAR Uracil arabinose-5'-phosphate 0.769 32 UCL 5-chloro-2'-deoxyuridine 5'-(dihydrogen phosphate) 0.769 33 UF2 1-(2-deoxy-2-fluoro-5-O-phosphono-beta-D-arabinofuranosyl)pyrimidine-2,4(1h,3h)-dione 0.769 34 UFP 5-fluoro-2'-deoxyuridine-5'-monophosphate 0.769 35 UFT 2'-deoxy-2'-fluorouridine 5'-(dihydrogen phosphate) 0.769 36 UBB 2',3'-dideoxy-uridine-5'-monophosphate 0.760 37 Z 1-(2-deoxy-5-O-phosphono-beta-D-erythro-pentofuranosyl)pyrimidin-2(1h)-one 0.760 38 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) 0.750 39 UOB 2'-ome,4'beta-ome uridine 5'-(dihydrogen phosphate) 0.750 40 0U1 2'-methylselenyl-2'-deoxy-L-uridine-5'-monophosphate 0.741 41 5BU 5-bromo-uridine-5'-monophosphate 0.741 42 5FU 5-fluoro-uridine-5'-monophosphate 0.741 43 5HU 5-hydroxymethyluridine-2'-deoxy-5'-monophosphate 0.741 44 5MU 5-methyluridine 5'-monophosphate 0.741 45 64P 5-aminothymidine 5'-(dihydrogen phosphate) 0.741 46 64T 5-hydroxy-thymidine-5'-monophosphate 0.741 47 A1L3O 5-hydroxyuridine 5'-phosphate 0.741 48 BMP 6-hydroxyuridine-5'-phosphate 0.741 49 BMQ 1-(5'-phospho-beta-D-ribofuranosyl)barbituric acid 0.741 50 D5D [(1s)-1-[(2s,3s,4r,5r)-5-[2,4-bis(oxidanylidene)-1,3-diazinan-1-yl]-3,4-bis(oxidanyl)oxolan-2-yl]ethyl] dihydrogen phosphate 0.741 51 IU 5-iodouridine-5'-monophosphate 0.741 52 JDT 2'-deoxy-5-ethyluridine 5'-(dihydrogen phosphate) 0.741 53 K5X [(2~{R},3~{R},4~{R},5~{R})-5-[2,4-bis(oxidanylidene)pyrimidin-1-yl]-4-fluoranyl-4-methyl-3-oxidanyl-oxolan-2-yl]methyl dihydrogen phosphate 0.741 54 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 0.741 55 MFT 3-methylthymidine 5'-(dihydrogen phosphate) 0.741 56 NUP 6-aminouridine 5'-monophosphate 0.741 57 OKT 2'-O-methyluridine-5'-phosphorothioate 0.741 58 OMC O2'-methylycytidine-5'-monophosphate 0.741 59 S5P 6-sulfanyluridine-5'-phosphate 0.741 60 T5O 2'-deoxy-5-methoxyuridine 5'-(dihydrogen phosphate) 0.741 61 T5S 2'-deoxy-5-(methylselanyl)uridine 5'-phosphate 0.741 62 TAF 2'-deoxy-2'-fluoro-arabino-furanosyl thymine-5'-phosphate 0.741 63 U4M 1-{2,5-dideoxy-2-fluoro-4-[(phosphonooxy)methyl]-alpha-L-lyxofuranosyl}pyrimidine-2,4(1h,3h)-dione 0.741 64 U5M 1-(2,6-dideoxy-2-fluoro-5-O-phosphono-alpha-L-talofuranosyl)pyrimidine-2,4(1h,3h)-dione 0.741 65 U5R 1-(2,6-dideoxy-2-fluoro-5-O-phosphono-beta-D-allofuranosyl)pyrimidine-2,4(1h,3h)-dione 0.741 66 U6M 6-methyluridine 5'-(dihydrogen phosphate) 0.741 67 UFR 2'-deoxy-5-formyluridine 5'-(dihydrogen phosphate) 0.741 68 UMS 2'-methylselenyl-2'-deoxyuridine-5'-phosphate 0.741 69 UR3 3-methyluridine-5'-monophoshate 0.741 70 US2 2'-deoxy-5-(methylsulfanyl)uridine 5'-(dihydrogen phosphate) 0.741 71 USM 2'-S-methyl-2'-thiouridine 5'-(dihydrogen phosphate) 0.741 72 XE6 4-amino-1-(2-O-methyl-5-O-phosphono-beta-L-ribofuranosyl)pyrimidin-2(1h)-one 0.741 73 A2P Adenosine-2'-5'-diphosphate 0.733 74 0DC 2'-deoxy-L-ribo-furanosyl cytosine-5'-monophosphate 0.731 75 2DT 3'-deoxythymidine-5'-monophosphate 0.731 76 5PY 1-(2'-deoxy-5'-O-phosphono-beta-D-erythro-pentofuranosyl)-5-methylpyrimidin-2(1h)-one 0.731 77 D4M [(5r)-5-(5-methyl-2,4-dioxo-3,4-dihydropyrimidin-1(2h)-yl)-2,5-dihydrofuran-2-yl]methyl dihydrogen phosphate 0.731 78 DC 2'-deoxycytidine-5'-monophosphate 0.731 79 DCM 2'-deoxycytidine-5'-monophosphate 0.731 80 DNR 2'-deoxy-n3-protonated cytidine-5'-monophosphate 0.731 81 IY9 [5-(4-azanyl-2-oxidanylidene-pyrimidin-1-yl)-3-oxidanyl-furan-2-yl]methyl dihydrogen phosphate 0.731 82 L2B 3'-deoxyuridine-5'-monophosphate 0.731 83 PYO 1-(beta-D-ribofuranosyl)-pyrimidin-2-one-5'-phosphate 0.731 84 UPS 2'-deoxy-5'-O-thiophosphonouridine 0.731 85 US1 2'-deoxy-3'-thiouridine 5'-(dihydrogen phosphate) 0.731 86 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 0.731 87 XY7 1-[2-deoxy-5-O-(dihydroxyphosphanyl)-2-fluoro-beta-L-ribofuranosyl]pyrimidine-2,4(1h,3h)-dione 0.731 88 125 2'-O-fluoroethyl-5-methyl-uridine-5'-monophosphate 0.724 89 2AT 2'-O-allyl thymidine-5'-monophosphate 0.724 90 2GT 2'-O-propargyl thymidine-5'-monophosphate 0.724 91 P2T 2'-O-propyl thymidine-5-monophosphate 0.724 92 U31 2'-O-3-aminopropyl 2'-deoxyuridine-5'-monophosphate 0.724 93 U36 2'-O-methyoxyethyl-uridine-5'-monophosphate 0.724 94 1TL 1-{2,5-anhydro-6-deoxy-4-[(phosphonooxy)methyl]-alpha-L-mannofuranosyl}pyrimidine-2,4(1h,3h)-dione 0.714 95 2ST 5-methyl-2'-se-methyl-2'-selenouridine 5'-(dihydrogen phosphate) 0.714 96 4OC 4n,o2'-methylcytidine-5'-monophosphate 0.714 97 6CN 6-cyanouridine 5'-phosphate 0.714 98 A1BBB 5-(hydroxymethyl)uridine 5'-(dihydrogen phosphate) 0.714 99 A1BBC 1-(2-deoxy-2-fluoro-5-O-phosphono-beta-D-arabinofuranosyl)-5-(hydroxymethyl)pyrimidine-2,4(1h,3h)-dione 0.714 100 ATL [(1s,3r,4s,7r)-7-hydroxy-3-(thymin-1-yl)-2,5-dioxabicyclo[2.2.1]hept-1-yl]methyl dihydrogen phosphate 0.714 101 BVP (E)-5-(2-bromovinyl)-2'-deoxyuridine-5'-monophosphate 0.714 102 CNU 5-cyano-uridine-5'-monophosphate 0.714 103 CTG (5r,6s)-5,6-dihydro-5,6-dihydroxythymidine-5'-monophosphate 0.714 104 FMU 5-fluoro-5-methyluridine-5'-monophosphate 0.714 105 FNU 6-amino-5-fluorouridine 5'-(dihydrogen phosphate) 0.714 106 HEU 3-(2-hydroxyethyl)-2'-deoxyuridine-5'-monophosphate 0.714 107 HHU [(2r,3s,4r,5r)-5-[2,4-bis(oxidanylidene)pyrimidin-1-yl]-4-formamido-3-oxidanyl-oxolan-2-yl]methyl dihydrogen phosphate 0.714 108 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 0.714 109 JW5 6-(hydroxymethyl)uridine 5'-(dihydrogen phosphate) 0.714 110 M5Q [(1s)-1-[(2s,3r,4r,5r)-5-(4-azanyl-2-oxidanylidene-pyrimidin-1-yl)-4-methoxy-3-oxidanyl-oxolan-2-yl]ethyl] dihydrogen phosphate 0.714 111 MDU 3-(hydroxymethyl)thymidine 5'-(dihydrogen phosphate) 0.714 112 NDN 2'-deoxy-5-nitrouridine 5'-(dihydrogen phosphate) 0.714 113 NDU 2'-deoxy-5-nitrouridine 5'-monophosphate 0.714 114 PDU 5(1-propynyl)-2'-deoxyuridine-5-monophosphate 0.714 115 RCE 1-{2,5-anhydro-6-deoxy-4-[(phosphonooxy)methyl]-beta-D-gulofuranosyl}pyrimidine-2,4(1h,3h)-dione 0.714 116 T23 2'-O-methyl-3'-methyl-3'-deoxy-arabinofuranosyl-thymine-5'-phosphate 0.714 117 TDY 5-(methylamino)thymidine 5'-(dihydrogen phosphate) 0.714 118 TLB 2'-O,3'-C-methylene-arabinofuranosyl-thymine-5'-monophosphate 0.714 119 TLN [(1r,3r,4r,7s)-7-hydroxy-3-(thymin-1-yl)-2,5-dioxabicyclo[2.2.1]hept-1-yl]methyl dihydrogen phosphate 0.714 120 TTM N3-ethyl-thymidine-5'-monophosphate 0.714 121 U1P 6-[(E)-iminomethyl]uridine 5'-phosphate 0.714 122 UEP 6-ethyluridine 5'-phosphate 0.714 123 UFB 2'-f,4'-beta-ome uridine 5'-(dihydrogen phosphate) 0.714 124 ULF [(1r,3r,4r,5r,7s)-3-(2,4-dioxo-3,4-dihydropyrimidin-1(2h)-yl)-5-fluoro-7-hydroxy-2-oxabicyclo[2.2.1]hept-1-yl]methyl dihydrogen phosphate 0.714 125 UMO 2'-f-4'-ome U 0.714 126 UMX [(1r,3r,4r,5s,7s)-3-(2,4-dioxo-3,4-dihydropyrimidin-1(2h)-yl)-7-hydroxy-5-methyl-2-oxabicyclo[2.2.1]hept-1-yl]methyl dihydrogen phosphate 0.714 127 URX [(1r,3r,4r,5r,7s)-3-(2,4-dioxo-3,4-dihydropyrimidin-1(2h)-yl)-7-hydroxy-5-methyl-2-oxabicyclo[2.2.1]hept-1-yl]methyl dihydrogen phosphate 0.714 128 UVX [(1r,3r,4r,7s)-3-(2,4-dioxo-3,4-dihydropyrimidin-1(2h)-yl)-7-hydroxy-5-methylidene-2-oxabicyclo[2.2.1]hept-1-yl]methyl dihydrogen phosphate 0.714 129 UWJ 5-methyl-1-(2-se-methyl-5-O-phosphono-2-seleno-beta-D-arabinofuranosyl)pyrimidine-2,4(1h,3h)-dione 0.714 130 UZR 2'-deoxy-2'-triaza-1,2-dien-2-ium-1-yl-uridine-5'-monophosphate 0.714 131 NE0 [[(2r,3r,4r,5r)-5-[2,4-bis(oxidanylidene)pyrimidin-1-yl]-3-oxidanyl-4-phosphonooxy-oxolan-2-yl]methoxy-oxidanyl-phosphoryl] phosphono hydrogen phosphate 0.706 132 0C L-cytidine-5'-monophosphate 0.704 133 2GF [(2r,5r)-5-(4-amino-5-chloro-2-oxopyrimidin-1(2h)-yl)-3-oxotetrahydrofuran-2-yl]methyl dihydrogen phosphate 0.704 134 3DU 4-hydroxy-1-(5-O-phosphono-beta-D-ribofuranosyl)pyridin-2(1h)-one 0.704 135 4SU 4-thiouridine-5'-monophosphate 0.704 136 4U3 5-chloro-2'-deoxycytidine 5'-(dihydrogen phosphate) 0.704 137 5CM 5-methyl-2'-deoxy-cytidine-5'-monophosphate 0.704 138 5OC 2'-deoxy-5-hydroxycytidine 5'-(dihydrogen phosphate) 0.704 139 6F7 3'-deoxy-5-methyluridine 5'-(dihydrogen phosphate) 0.704 140 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 0.704 141 8XC 4-amino-1-(5-O-phosphono-beta-D-xylofuranosyl)pyrimidin-2(1h)-one 0.704 142 A1AAZ 2-thio-thymidine 0.704 143 A5M 2'-amine-cytidine-5'-monophosphate 0.704 144 C Cytidine-5'-monophosphate 0.704 145 C2P Cytidine-2'-monophosphate 0.704 146 C34 N4-methyl-2'-deoxy-cytidine-5'-monophosphate 0.704 147 C37 5-fluoro-2'-deoxy-cytidine-5'-monophosphate 0.704 148 C38 5-iodo-2'-deoxy-cytidine-5'-monophosphate 0.704 149 C5P Cytidine-5'-monophosphate 0.704 150 CAR Cytosine arabinose-5'-phosphate 0.704 151 CBR 5-bromo-2'-deoxy-cytidine-5'-monophosphate 0.704 152 CFL 4-amino-1-(2-deoxy-2-fluoro-5-O-phosphono-beta-D-arabinofuranosyl)pyrimidin-2(1h)-one 0.704 153 CFZ 2'-deoxy-2'-fluorocytidine 5'-(dihydrogen phosphate) 0.704 154 CH N3-protonated cytidine-5'-monophosphate 0.704 155 F2T 2'-deoxy-2'-fluoro-5'-O-thiophosphonouridine 0.704 156 FDM 3'-fluoro-3'-deoxythymidine monophosphate 0.704 157 IC Isocytidine-5'-monophosphate 0.704 158 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 0.704 159 IMC N1-[2-deoxy-ribofuranosyl]-[2-amino-5-methyl-4-oxo-4h-pyrimidine]-5'-monophosphate 0.704 160 IY0 [5-(4-azanyl-2-oxidanylidene-pyrimidin-1-yl)-3,4-bis(oxidanyl)furan-2-yl]methyl dihydrogen phosphate 0.704 161 ME6 [(2r,3s,5r)-5-(4-azanyl-3-methyl-2-oxo-pyrimidin-3-ium-1-yl)-3-hydroxy-oxolan-2-yl]methyl dihydrogen phosphate 0.704 162 MUM 5'-O-(dihydroxyphosphanyl)-5-methyl-5,6-dihydrouridine 0.704 163 NOH 2'-deoxy-N-hydroxycytidine 5'-(dihydrogen phosphate) 0.704 164 NYM 3'-deoxy-3'-aminothymidine monophosphate 0.704 165 OFC 4-amino-1-(2-deoxy-2-fluoro-5-O-phosphono-beta-L-ribofuranosyl)pyrimidin-2(1h)-one 0.704 166 PST Thymidine-5'-thiophosphate 0.704 167 RUS 1-(5-O-phosphono-beta-D-ribofuranosyl)-2-selanylpyrimidin-4(1h)-one 0.704 168 RY 5'-3,6-dihydrocytidylic acid 0.704 169 SSU Uridine-5'-phosphorothioate 0.704 170 SUR 1-(beta-D-ribofuranosyl)-2-thio-uracil-5'-phosphate 0.704 171 T49 S4'-2'deoxythymidine 5'-monophosphate 0.704 172 T4S 1-(2-deoxy-5-O-phosphono-beta-D-erythro-pentofuranosyl)-4-hydroseleno-5-methylpyrimidin-2(1h)-one 0.704 173 TSP 3'-thio-thymidine-5'-phosphate 0.704 174 U37 Uridine 5'-monothiophosphate 0.704 175 U48 5-methyl-2'-deoxy-n3-protonated cytidine-5'-monophosphate 0.704 176 UD5 5-fluorouridine 0.704 177 UP6 6-aza uridine 5'-monophosphate 0.704 178 US3 1-(2-deoxy-5-O-phosphono-beta-D-erythro-pentofuranosyl)-5-methyl-2-selanylpyrimidin-4(1h)-one 0.704 179 US5 1-(5-O-phosphono-beta-D-ribofuranosyl)-4-selanylpyrimidin-2(1h)-one 0.704 180 127 2'-O-aminooxy-ethyl-5-methyl-uridine-5'-monophosphate 0.700 181 2BT 2'-O-butyl-thymidine 0.700 182 NMT 1-(o2-(methylcarbamoyl)-o5-hydroxyphosphinyl-beta-D-ribofuranosyl)thymine 0.700 183 SMT 2'-[(methylthio)ethyloxy]-thymidine-5'-monophosphate 0.700 184 T38 2'-O-ethoxymethylene thymidine 5'-monophosphate 0.700 185 T39 2'-O-methoxyethylene thymidine 5'-monophosphate 0.700