(29H,31H-Phthalocyaninedisulfonyldichloridato(2-)-N29,N30,N31,N32)cobalt 68189-40-2 Cobalt, (29H,31H-phthalocyanine-C,C-disulfonyl dichloridato(2-)-kappaN29,kappaN30,kappaN31,kappaN32)-