Synonyms: Copper, (29H,31H-phthalocyaninato(2-)-kappaN29,kappa30,kappa31,kappa32)-, (butylamino)sulfonyl ((2-ethylhexyl)amino)sulfonyl derivs.;Copper, (29H,31H-phthalocyaninato(2-)-N29,N30,N31,N32)-, (butylamino)sulfonyl ((2-ethylhexyl)amino)sulfonyl derivs.