N,N'-(4,5-Diamino-3,6-dibromo-9,10-dioxo-9,10-dihydroanthracene-1,8-diyl)bis(4-methylbenzenesulfonamide) 5g

N,N'-(4,5-Diamino-3,6-dibromo-9,10-dioxo-9,10-dihydroanthracene-1,8-diyl)bis(4-methylbenzenesulfonamide) 5g