83721-52-2 Benzamide, N,N'-(azinobis(methylidyne(4-amino-9,10-dihydro-9,10-dioxo-3,1-anthracenediyl)))bis- EINECS 280-579-6 N,N'-(Azinobis(methylidyne(4-amino-9,10-dihydro-9,10-dioxoanthracene-3,1-diyl)))bisbenzamide