(2,9,16,23-Tetranitro-29H,31H-phthalocyaninato(2-)-N29,N30,N31,N32)copper 118-20-7 16049-09-5 27614-80-8 Copper, (2,9,16,23-tetranitro-29H,31H-phthalocyaninato(2-)-kappaN29,kappaN30,kappaN31,kappaN32)-, (SP-4-1)- EINECS 204-237-2