Synonyms: Methylpheophorbide;Methyl phaeophorbide;Methyl phaeophorbide A;NSC 407320;Phaeophorbid A, methyl ester;3-Phorbinepropanoic acid, 9-ethenyl-14-ethyl-21-(methoxycarbonyl)-4,8,13,18-tetramethyl-20-oxo-, methyl ester, (3S-(3alpha,4beta,21beta))-;3-Phorbinepropionic acid, 21-carboxy-14-ethyl-4,8,13,18-tetramethyl-20-oxo-9-vinyl-, dimethyl ester (VAN) (8CI);Methyl (3S-(3alpha,4beta,21beta))-14-ethyl-21-(methoxycarbonyl)-4,8,13,18-tetramethyl-20-oxo-9-vinylphorbine-3-propionate;methyl 9-ethenyl-14-ethyl-3-(3-methoxy-3-oxopropyl)-4,8,13,18-tetramethyl-20-oxo-24,25-dihydrophorbine-21-carboxylate