4,4'-(METHYLENEBIS(4,1-PHENYLENEIMINO))BIS(1-AMINO-9,10-DIHYDRO-9,10-DIOXO-2-ANTHRACENESULFONIC ACID)
4,4'-(methylenebis(4,1-phenyleneimino))bis(1-amino-9,10-dihydro-9,10-dioxo-2-anthracenesulfonic acid)