10,15-Dihydroxyanthra(2,1,9-mna)naphth(2,3-h)acridin-5(16H)-one disodium bis(sulphate) 4471-37-8 Anthra(2,1,9-mna)naphth(2,3-h)acridin-5(16H)-one, 10,15-bis(sulfooxy)-, disodium salt EINECS 224-742-1