Synonyms: Copper, (29H,31H-phthalocyaninato(2-)-kappaN29,kappaN30,kappaN31,kappaN32)-, chlorosulfonyl derivs.;Copper phthalocyanine, chlorosulfonated;Copper, (29H,31H-phthalocyaninato(2-)-N29,N30,N31,N32)-, (SP-4-1)-, reaction product with chlorosulfonic acid, and thionyl chloride;Copper, (29H,31H-phthalocyaninato(2-)-N29,N30,N31,N32)-, chlorosulfonyl derivs.