1,5-Diamino-4,8-dihydroxy-3-(4-ethoxyphenyl)anthraquinone 15114-15-5 4,8-Diamino-2-(4-ethoxyphenyl)-1,5-dihydroxyanthraquinone 9,10-Anthracenedione, 4,8-diamino-2-(4-ethoxyphenyl)-1,5-dihydroxy- EINECS 239-167-1