129424-01-7 4-((4-(Dimethylamino)phenyl)(4-(dimethyliminio)-2,5-cyclohexadien-1-ylidene)methyl)-N,N,N-trimethylbenzenaminium (SP-4-1)-tetrachloroplatinate(2-) (1:1) Benzenaminium, 4-((4-(dimethylamino)phenyl)(4-(dimethyliminio)-2,5-cyclohexadien-1-ylidene)methyl)-N,N,N-trimethyl-, (SP-4-1)-tetrachloroplatinate(2-) (1:1) Methyl green-platinum complex Platinum methyl green complex