Synonyms: 21H,23H-Porphine-2,18-dipropanoicacid,7-ethenyl-17-formyl-12-(1-hydroxy-5,9,13-trimethyl-4,8,12-tetradecatrienyl)-3,8,13-trimethyl-,(E,E)-; 21H,23H-Porphine-2,18-dipropanoic acid,7-ethenyl-17-formyl-12-[(4E,8E)-1-hydroxy-5,9,13-trimethyl-4,8,12-tetradecatrienyl]-3,8,13-trimethyl-(9CI); Porphyrin a