72749-49-6 Cuprate(2-), (N,N'-bis((((2-(sulfooxy)ethyl)amino)sulfonyl)phenyl)-29H,31H-phthalocyaninedisulfonamidato(4-)-N29,N30,N31,N32)-, potassium sodium Di((((((2-(sulfooxy)ethyl)amino)sulfonyl)phenyl)amino)sulfonyl) copper phthalocyanine, potassium, sodium salt