83742-16-9 EINECS 280-681-0 N,N'-((6-((9,10-Dihydro-9,10-dioxo-1-anthryl)amino)-1,3,5-triazine-2,4-diyl)bis(imino(9,10-dihydro-9,10-dioxoanthracene-5,1-diyl)))bis(benzamide)