123279-53-8 21H,23H-Porphine-2,18-dipropanoic acid, 7,12-bis(2,2-difluoroethenyl)-3,8,13,17-tetramethyl-, dimethyl ester 3(2),3(2),8(2),8(2)-Tetrafluoroprotoporphyrin dimethyl ester 3,8-Fppd Dimethyl 7,12-bis(2,2-difluoroethenyl)-3,8,13,17-tetramethyl-21H,23H-porphine-2,18-dipropanoate