21H,23H-Porphine-2,18-dipropanoic acid, 7,12-diethenyl-5,10,15,20,22,24-hexahydro-3,8,13,17-tetramethyl- 21H,23H-Porphine-2,18-dipropanoic acid, 7,12-diethenyl-5,10,15,20,22,24-hexahydro-3,8,13,17-tetramethyl- (9CI) 7412-77-3 Protoporphyrin IX, 5,10,15,20,22,24-hexahydro deriv. Protoporphyrin IX, 5,10,15,20,22,24-hexahydro deriv. (6CI) Protoporphyrinogen Protoporphyrinogen IX (7CI,8CI)