94277-01-7 EINECS 304-586-1 N,N'-((5,13-Dihydro-5,13-dioxoaceanthryleno(2,1-a)aceanthrylene-6,14-diyl)bis(imino(9,10-dihydro-9,10-dioxoanthracene-5,1-diyl)))bis(benzamide)