catechin 4'-O-methylepigallocatechin-3-O-gallate 0 472.10056 472.402 InChI=1S/C23H20O11/c1-32-22-16(28)2-9(3-17(22)29)21-19(8-12-13(25)6-11(24)7-18(12)33-21)34-23(31)10-4-14(26)20(30)15(27)5-10/h2-7,19,21,24-30H,8H2,1H3/t19-,21-/m1/s1 pubmed:21080642 COc1c(O)cc([C@H]2Oc3cc(O)cc(O)c3C[C@H]2OC(=O)c2cc(O)c(O)c(O)c2)cc1O [(2R,3R)-2-(3,5-dihydroxy-4-methoxyphenyl)-5,7-dihydroxy-3,4-dihydro-2H-chromen-3-yl] 3,4,5-trihydroxybenzoate C23H20O11 CHEBI:70256 NPUWDJQZPQKPAA-TZIWHRDSSA-N chebi_ontology