(1,8,15,22-Tetramethyl-29H,31H-tetrapyrido(2,3-b:2',3'-g:2'',3''-l:2''',3'''-q)porphyraziniumato(2-)-N29,N30,N31,N32)copper(4+) tetramethyl tetrakis(sulphate) 41276-95-3 EINECS 255-289-8