(29H,31H-Phthalocyaninetetrasulphonyl tetrachloridato(2)-N29,N30,N31,N32 )nickel 25338-49-2 28680-76-4 EINECS 249-155-8 Nickel, (29H,31H-phthalocyanine-C,C,C,C-tetrasulfonyl tetrachloridato(2)-kappaN29,kappaN30,kappaN31,kappaN32)- Nickel, (phthalocyaninetetrasulfonyl chloridato (2-))-