(+-)-trans-3,4-Dicarboxy-4,4a-dihydro-4a,8,14,19-tetramethyl-18-vinyl-23H,25H-benzo(b)porphine-9,13-dipropionic acid, 3,4,9-trimethyl ester mixture with (+-)-trans-3,4-dicarboxy-4,4a-dihydro-4a,8,14,19-tetramethyl-18-vinyl-23H,25H-benzo(b)porphine-9,13-dipropionic acid, 3,4,13-trimethyl ester 129497-78-5 23H,25H-Benzo(b)porphine-9,13-dipropanoic acid, 18-ethenyl-4,4a-dihydro-3,4-bis(methoxycarbonyl)-4a,8,14,19-tetramethyl-, monomethyl ester, trans- CL 318,952 VERTEPORFIN Verteporfin [USAN:INN] Visudyne