1 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 1.000 2 4OC 4n,o2'-methylcytidine-5'-monophosphate 0.920 3 4AC N(4)-acetylcytidine-5'-monophosphate 0.885 4 D00 2'-deoxy-N-ethylcytidine 5'-(dihydrogen phosphate) 0.880 5 2YR 2'-deoxy-N-(2-sulfanylethyl)cytidine 5'-(dihydrogen phosphate) 0.846 6 C34 N4-methyl-2'-deoxy-cytidine-5'-monophosphate 0.840 7 J0X 2-[[2-oxidanylidene-1-[(2r,4s,5r)-4-oxidanyl-5-(phosphonooxymethyl)oxolan-2-yl]pyrimidin-4-yl]amino]ethanoic acid 0.815 8 B8T 4-methyl, cytidine-5'-monophosphate 0.808 9 OMC O2'-methylycytidine-5'-monophosphate 0.808 10 OMU O2'-methyluridine 5'-monophosphate 0.808 11 XE6 4-amino-1-(2-O-methyl-5-O-phosphono-beta-L-ribofuranosyl)pyrimidin-2(1h)-one 0.808 12 XEC 1-(2-O-methyl-5-O-phosphono-beta-L-ribofuranosyl)pyrimidine-2,4(1h,3h)-dione 0.808 13 2MU 2',5-dimethyluridine-5'-monophosphate 0.778 14 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 0.778 15 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 0.778 16 T41 1-(2-O-methyl-beta-D-arabinofuranosyl)thymidine 5'-monophosphate 0.778 17 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 0.769 18 NOH 2'-deoxy-N-hydroxycytidine 5'-(dihydrogen phosphate) 0.769 19 Z 1-(2-deoxy-5-O-phosphono-beta-D-erythro-pentofuranosyl)pyrimidin-2(1h)-one 0.760 20 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 21 UOB 2'-ome,4'beta-ome uridine 5'-(dihydrogen phosphate) 0.750 22 16B N-hydroxycytidine 5'-(dihydrogen phosphate) 0.741 23 6OO 2'-O-methyl-5'-O-thiophosphonocytidine 0.741 24 7OK N-hydroxycytidine 5'-(dihydrogen phosphate) tautomer 0.741 25 C45 N4-methoxy-2'-deoxy-cytidine-5'-monophosphate 0.741 26 OKQ 2'-O-methylcytidine-5'-phosphorothioate 0.741 27 OKT 2'-O-methyluridine-5'-phosphorothioate 0.741 28 0DC 2'-deoxy-L-ribo-furanosyl cytosine-5'-monophosphate 0.731 29 3KA 1-(2-deoxy-5-O-phosphono-beta-L-erythro-pentofuranosyl)pyrimidine-2,4(1h,3h)-dione 0.731 30 5PY 1-(2'-deoxy-5'-O-phosphono-beta-D-erythro-pentofuranosyl)-5-methylpyrimidin-2(1h)-one 0.731 31 DC 2'-deoxycytidine-5'-monophosphate 0.731 32 DCM 2'-deoxycytidine-5'-monophosphate 0.731 33 DDN 3,4-dihydro-2'-deoxyuridine-5'-monophosphate 0.731 34 DNR 2'-deoxy-n3-protonated cytidine-5'-monophosphate 0.731 35 DU 2'-deoxyuridine-5'-monophosphate 0.731 36 IY9 [5-(4-azanyl-2-oxidanylidene-pyrimidin-1-yl)-3-oxidanyl-furan-2-yl]methyl dihydrogen phosphate 0.731 37 PYO 1-(beta-D-ribofuranosyl)-pyrimidin-2-one-5'-phosphate 0.731 38 UMC 2'-deoxy-5'-uridylic acid 0.731 39 UMP 2'-deoxyuridine 5'-monophosphate 0.731 40 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 41 125 2'-O-fluoroethyl-5-methyl-uridine-5'-monophosphate 0.724 42 2AT 2'-O-allyl thymidine-5'-monophosphate 0.724 43 2GT 2'-O-propargyl thymidine-5'-monophosphate 0.724 44 B9H 2'-methyl, 3-propyl, cytidine-5'-monophosphate 0.724 45 C31 2'-O-3-aminopropyl cytidine-5'-monophosphate 0.724 46 C43 2'-O-methyoxyethyl-cytidine-5'-monophosphate 0.724 47 P2T 2'-O-propyl thymidine-5-monophosphate 0.724 48 U31 2'-O-3-aminopropyl 2'-deoxyuridine-5'-monophosphate 0.724 49 U36 2'-O-methyoxyethyl-uridine-5'-monophosphate 0.724 50 T23 2'-O-methyl-3'-methyl-3'-deoxy-arabinofuranosyl-thymine-5'-phosphate 0.714 51 0C L-cytidine-5'-monophosphate 0.704 52 0DT 2'-deoxy-L-ribo-furanosyl thymidine-5'-monophosphate 0.704 53 0U L-uridine-5'-monophosphate 0.704 54 2AU 2'-aminouridine 0.704 55 2GF [(2r,5r)-5-(4-amino-5-chloro-2-oxopyrimidin-1(2h)-yl)-3-oxotetrahydrofuran-2-yl]methyl dihydrogen phosphate 0.704 56 4SU 4-thiouridine-5'-monophosphate 0.704 57 4U3 5-chloro-2'-deoxycytidine 5'-(dihydrogen phosphate) 0.704 58 5CM 5-methyl-2'-deoxy-cytidine-5'-monophosphate 0.704 59 5IU 5-iodo-2'-deoxyuridine-5'-monophosphate 0.704 60 5OC 2'-deoxy-5-hydroxycytidine 5'-(dihydrogen phosphate) 0.704 61 8XC 4-amino-1-(5-O-phosphono-beta-D-xylofuranosyl)pyrimidin-2(1h)-one 0.704 62 8XU 1-(5-O-phosphono-beta-D-xylofuranosyl)pyrimidine-2,4(1h,3h)-dione 0.704 63 A5M 2'-amine-cytidine-5'-monophosphate 0.704 64 BRU 5-bromo-2'-deoxyuridine-5'-monophosphate 0.704 65 C Cytidine-5'-monophosphate 0.704 66 C37 5-fluoro-2'-deoxy-cytidine-5'-monophosphate 0.704 67 C38 5-iodo-2'-deoxy-cytidine-5'-monophosphate 0.704 68 C5P Cytidine-5'-monophosphate 0.704 69 CAR Cytosine arabinose-5'-phosphate 0.704 70 CBR 5-bromo-2'-deoxy-cytidine-5'-monophosphate 0.704 71 CFL 4-amino-1-(2-deoxy-2-fluoro-5-O-phosphono-beta-D-arabinofuranosyl)pyrimidin-2(1h)-one 0.704 72 CFZ 2'-deoxy-2'-fluorocytidine 5'-(dihydrogen phosphate) 0.704 73 CH N3-protonated cytidine-5'-monophosphate 0.704 74 DT Thymidine-5'-monophosphate 0.704 75 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 0.704 76 H2U 5,6-dihydrouridine-5'-monophosphate 0.704 77 IY0 [5-(4-azanyl-2-oxidanylidene-pyrimidin-1-yl)-3,4-bis(oxidanyl)furan-2-yl]methyl dihydrogen phosphate 0.704 78 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 79 OFC 4-amino-1-(2-deoxy-2-fluoro-5-O-phosphono-beta-L-ribofuranosyl)pyrimidin-2(1h)-one 0.704 80 OHU 2'-deoxy-5-hydroxyuridine 5'-(dihydrogen phosphate) 0.704 81 PBT [3-hydroxy-5-(5-methyl-2,4-dioxotetrahydro-1(2h)-pyrimidinyl)tetrahydro-2-furanyl]methyl dihydrogen phosphate 0.704 82 QBT [(2r,3s,5r)-3-hydroxy-5-[(5s)-5-methyl-2,4-dioxo-1,3-diazinan-1-yl]oxolan-2-yl]methyl dihydrogen phosphate 0.704 83 RY 5'-3,6-dihydrocytidylic acid 0.704 84 T4S 1-(2-deoxy-5-O-phosphono-beta-D-erythro-pentofuranosyl)-4-hydroseleno-5-methylpyrimidin-2(1h)-one 0.704 85 TMP Thymidine-5'-phosphate 0.704 86 TTI 2'-deoxy-5-telluroxouridine 5'-(dihydrogen phosphate) 0.704 87 U Uridine-5'-monophosphate 0.704 88 U48 5-methyl-2'-deoxy-n3-protonated cytidine-5'-monophosphate 0.704 89 U5P Uridine-5'-monophosphate 0.704 90 UAR Uracil arabinose-5'-phosphate 0.704 91 UCL 5-chloro-2'-deoxyuridine 5'-(dihydrogen phosphate) 0.704 92 UF2 1-(2-deoxy-2-fluoro-5-O-phosphono-beta-D-arabinofuranosyl)pyrimidine-2,4(1h,3h)-dione 0.704 93 UFP 5-fluoro-2'-deoxyuridine-5'-monophosphate 0.704 94 UFT 2'-deoxy-2'-fluorouridine 5'-(dihydrogen phosphate) 0.704 95 US5 1-(5-O-phosphono-beta-D-ribofuranosyl)-4-selanylpyrimidin-2(1h)-one 0.704 96 127 2'-O-aminooxy-ethyl-5-methyl-uridine-5'-monophosphate 0.700 97 2BT 2'-O-butyl-thymidine 0.700 98 C5L 2'-O-(2-methoxyethyl)-5-methylcytidine 5'-(dihydrogen phosphate) 0.700 99 NMT 1-(o2-(methylcarbamoyl)-o5-hydroxyphosphinyl-beta-D-ribofuranosyl)thymine 0.700 100 SMT 2'-[(methylthio)ethyloxy]-thymidine-5'-monophosphate 0.700 101 T38 2'-O-ethoxymethylene thymidine 5'-monophosphate 0.700 102 T39 2'-O-methoxyethylene thymidine 5'-monophosphate 0.700