1,5-Diaminodibromo-4,8-dihydroxyanthraquinone 31626-19-4 9,10-Anthracenedione, 1,5-diaminodibromo-4,8-dihydroxy- Dibromo-1,5-diamino-4,8-dihydroxyanthraquinone EINECS 250-735-8