123279-54-9 21H,23H-Porphine-2,18-dipropanoic acid, 7-(2,2-difluoroethenyl)-12-ethenyl-3,8,13,17-tetramethyl-, dimethyl ester 8(2),8(2)-Difluoroprotoporphyrin dimethyl ester 8-Fppd Dimethyl 7-(2,2-difluoroethenyl)-12-ethenyl-3,8,13,17-tetramethyl-21H,23H-porphine-2,18-dipropanoate