5-methylcytidine 257.101 257.24332 Beilstein:89657 C10H15N3O5 CAS:2140-61-6 CHEBI:20607 Cc1cn([C@@H]2O[C@H](CO)[C@@H](O)[C@H]2O)c(=O)nc1N InChI=1S/C10H15N3O5/c1-4-2-13(10(17)12-8(4)11)9-7(16)6(15)5(3-14)18-9/h2,5-7,9,14-16H,3H2,1H3,(H2,11,12,17)/t5-,6-,7-,9-/m1/s1 ZAYHVCMSTBRABG-JXOAFFINSA-N chebi_ontology methylcytidine