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 A1L3O 5-hydroxyuridine 5'-phosphate 0.778 23 BMP 6-hydroxyuridine-5'-phosphate 0.778 24 BMQ 1-(5'-phospho-beta-D-ribofuranosyl)barbituric acid 0.778 25 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 0.778 26 IU 5-iodouridine-5'-monophosphate 0.778 27 NUP 6-aminouridine 5'-monophosphate 0.778 28 S5P 6-sulfanyluridine-5'-phosphate 0.778 29 UR3 3-methyluridine-5'-monophoshate 0.778 30 3KA 1-(2-deoxy-5-O-phosphono-beta-L-erythro-pentofuranosyl)pyrimidine-2,4(1h,3h)-dione 0.769 31 DDN 3,4-dihydro-2'-deoxyuridine-5'-monophosphate 0.769 32 DU 2'-deoxyuridine-5'-monophosphate 0.769 33 L2B 3'-deoxyuridine-5'-monophosphate 0.769 34 PYO 1-(beta-D-ribofuranosyl)-pyrimidin-2-one-5'-phosphate 0.769 35 UMC 2'-deoxy-5'-uridylic acid 0.769 36 UMP 2'-deoxyuridine 5'-monophosphate 0.769 37 A1BBB 5-(hydroxymethyl)uridine 5'-(dihydrogen phosphate) 0.750 38 CNU 5-cyano-uridine-5'-monophosphate 0.750 39 FMU 5-fluoro-5-methyluridine-5'-monophosphate 0.750 40 FNU 6-amino-5-fluorouridine 5'-(dihydrogen phosphate) 0.750 41 0C L-cytidine-5'-monophosphate 0.741 42 0DT 2'-deoxy-L-ribo-furanosyl thymidine-5'-monophosphate 0.741 43 2AU 2'-aminouridine 0.741 44 3DU 4-hydroxy-1-(5-O-phosphono-beta-D-ribofuranosyl)pyridin-2(1h)-one 0.741 45 4SU 4-thiouridine-5'-monophosphate 0.741 46 5IU 5-iodo-2'-deoxyuridine-5'-monophosphate 0.741 47 6F7 3'-deoxy-5-methyluridine 5'-(dihydrogen phosphate) 0.741 48 8XC 4-amino-1-(5-O-phosphono-beta-D-xylofuranosyl)pyrimidin-2(1h)-one 0.741 49 A1IT3 2'-thiouridine-5'-monophosphate 0.741 50 BRU 5-bromo-2'-deoxyuridine-5'-monophosphate 0.741 51 C Cytidine-5'-monophosphate 0.741 52 C5P Cytidine-5'-monophosphate 0.741 53 CAR Cytosine arabinose-5'-phosphate 0.741 54 CH N3-protonated cytidine-5'-monophosphate 0.741 55 DT Thymidine-5'-monophosphate 0.741 56 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 57 IC Isocytidine-5'-monophosphate 0.741 58 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 59 IY0 [5-(4-azanyl-2-oxidanylidene-pyrimidin-1-yl)-3,4-bis(oxidanyl)furan-2-yl]methyl dihydrogen phosphate 0.741 60 MUM 5'-O-(dihydroxyphosphanyl)-5-methyl-5,6-dihydrouridine 0.741 61 OHU 2'-deoxy-5-hydroxyuridine 5'-(dihydrogen phosphate) 0.741 62 PBT [3-hydroxy-5-(5-methyl-2,4-dioxotetrahydro-1(2h)-pyrimidinyl)tetrahydro-2-furanyl]methyl dihydrogen phosphate 0.741 63 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 64 RUS 1-(5-O-phosphono-beta-D-ribofuranosyl)-2-selanylpyrimidin-4(1h)-one 0.741 65 RY 5'-3,6-dihydrocytidylic acid 0.741 66 SSU Uridine-5'-phosphorothioate 0.741 67 SUR 1-(beta-D-ribofuranosyl)-2-thio-uracil-5'-phosphate 0.741 68 TMP Thymidine-5'-phosphate 0.741 69 TTI 2'-deoxy-5-telluroxouridine 5'-(dihydrogen phosphate) 0.741 70 U37 Uridine 5'-monothiophosphate 0.741 71 UCL 5-chloro-2'-deoxyuridine 5'-(dihydrogen phosphate) 0.741 72 UD5 5-fluorouridine 0.741 73 UF2 1-(2-deoxy-2-fluoro-5-O-phosphono-beta-D-arabinofuranosyl)pyrimidine-2,4(1h,3h)-dione 0.741 74 UFP 5-fluoro-2'-deoxyuridine-5'-monophosphate 0.741 75 UFT 2'-deoxy-2'-fluorouridine 5'-(dihydrogen phosphate) 0.741 76 UP6 6-aza uridine 5'-monophosphate 0.741 77 US5 1-(5-O-phosphono-beta-D-ribofuranosyl)-4-selanylpyrimidin-2(1h)-one 0.741 78 UBB 2',3'-dideoxy-uridine-5'-monophosphate 0.731 79 Y5P 1-(5-O-phosphono-beta-D-ribofuranosyl)-1,4-dihydropyrimidine 0.731 80 Z 1-(2-deoxy-5-O-phosphono-beta-D-erythro-pentofuranosyl)pyrimidin-2(1h)-one 0.731 81 6AZ 6-azidouridine 5'-(dihydrogen phosphate) 0.724 82 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 83 0U1 2'-methylselenyl-2'-deoxy-L-uridine-5'-monophosphate 0.714 84 16B N-hydroxycytidine 5'-(dihydrogen phosphate) 0.714 85 5CF 5-fluorocytidine 5'-(dihydrogen phosphate) 0.714 86 5HU 5-hydroxymethyluridine-2'-deoxy-5'-monophosphate 0.714 87 5IC 5-iodo-cytidine-5'-monophosphate 0.714 88 5MC 5-methylcytidine-5'-monophosphate 0.714 89 64P 5-aminothymidine 5'-(dihydrogen phosphate) 0.714 90 64T 5-hydroxy-thymidine-5'-monophosphate 0.714 91 7OK N-hydroxycytidine 5'-(dihydrogen phosphate) tautomer 0.714 92 A1I9V 5-methyl-2-thio-uridine-5'-monophosphate 0.714 93 A1IT4 1-(beta-D-ribofuranosyl)cyanuric acid-5'-monophosphate 0.714 94 A6U 1,5-anhydro-2-deoxy-2-(2,4-dioxo-3,4-dihydropyrimidin-1(2h)-yl)-6-O-phosphono-D-altritol 0.714 95 B8Q 3-methyl, cytidine-5'-monophosphate 0.714 96 B8T 4-methyl, cytidine-5'-monophosphate 0.714 97 CBV 5-bromocytidine 5'-(dihydrogen phosphate) 0.714 98 JDT 2'-deoxy-5-ethyluridine 5'-(dihydrogen phosphate) 0.714 99 JMH 3-methylcytidine- 5'-monophosphate 0.714 100 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 0.714 101 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 0.714 102 MFT 3-methylthymidine 5'-(dihydrogen phosphate) 0.714 103 OMU O2'-methyluridine 5'-monophosphate 0.714 104 T5O 2'-deoxy-5-methoxyuridine 5'-(dihydrogen phosphate) 0.714 105 T5S 2'-deoxy-5-(methylselanyl)uridine 5'-phosphate 0.714 106 TAF 2'-deoxy-2'-fluoro-arabino-furanosyl thymine-5'-phosphate 0.714 107 TKW 5-hydroxycytidine 5'-(dihydrogen phosphate) 0.714 108 U4M 1-{2,5-dideoxy-2-fluoro-4-[(phosphonooxy)methyl]-alpha-L-lyxofuranosyl}pyrimidine-2,4(1h,3h)-dione 0.714 109 U5M 1-(2,6-dideoxy-2-fluoro-5-O-phosphono-alpha-L-talofuranosyl)pyrimidine-2,4(1h,3h)-dione 0.714 110 U5R 1-(2,6-dideoxy-2-fluoro-5-O-phosphono-beta-D-allofuranosyl)pyrimidine-2,4(1h,3h)-dione 0.714 111 UFR 2'-deoxy-5-formyluridine 5'-(dihydrogen phosphate) 0.714 112 UMS 2'-methylselenyl-2'-deoxyuridine-5'-phosphate 0.714 113 US2 2'-deoxy-5-(methylsulfanyl)uridine 5'-(dihydrogen phosphate) 0.714 114 USM 2'-S-methyl-2'-thiouridine 5'-(dihydrogen phosphate) 0.714 115 XEC 1-(2-O-methyl-5-O-phosphono-beta-L-ribofuranosyl)pyrimidine-2,4(1h,3h)-dione 0.714 116 0DC 2'-deoxy-L-ribo-furanosyl cytosine-5'-monophosphate 0.704 117 2DT 3'-deoxythymidine-5'-monophosphate 0.704 118 5PY 1-(2'-deoxy-5'-O-phosphono-beta-D-erythro-pentofuranosyl)-5-methylpyrimidin-2(1h)-one 0.704 119 D4M [(5r)-5-(5-methyl-2,4-dioxo-3,4-dihydropyrimidin-1(2h)-yl)-2,5-dihydrofuran-2-yl]methyl dihydrogen phosphate 0.704 120 DC 2'-deoxycytidine-5'-monophosphate 0.704 121 DCM 2'-deoxycytidine-5'-monophosphate 0.704 122 DNR 2'-deoxy-n3-protonated cytidine-5'-monophosphate 0.704 123 IY9 [5-(4-azanyl-2-oxidanylidene-pyrimidin-1-yl)-3-oxidanyl-furan-2-yl]methyl dihydrogen phosphate 0.704 124 O2C 3'-deoxy-cytidine-5'-monophosphate 0.704 125 ONE 1-(beta-D-ribofuranosyl)-pyridin-4-one-5'-phosphate 0.704 126 UPS 2'-deoxy-5'-O-thiophosphonouridine 0.704 127 US1 2'-deoxy-3'-thiouridine 5'-(dihydrogen phosphate) 0.704 128 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 0.704 129 XY7 1-[2-deoxy-5-O-(dihydroxyphosphanyl)-2-fluoro-beta-L-ribofuranosyl]pyrimidine-2,4(1h,3h)-dione 0.704