Synonyms: Stannate(2-),dichloro[7,12-diethenyl-3,8,13,17-tetramethyl-21H,23H-porphine-2,18-dipropanoato(4-)-N21,N22,N23,N24]-,dihydrogen, (OC-6-13)-; Stannate(2-),dichloro[7,12-diethenyl-3,8,13,17-tetramethyl-21H,23H-porphine-2,18-dipropanoato(4-)-kN21,kN22,kN23,kN24]-, dihydrogen, (OC-6-13)-(9CI); Tin, [dihydrogen protoporphyrin IX-ato(2-)]- (7CI);21H,23H-Porphine-2,18-dipropanoic acid, 7,12-diethenyl-3,8,13,17-tetramethyl-,tin complex; NSC 267099; Tin protoporphyrin