1,5-Diamino-4,8-dihydroxy(4-hydroxyphenyl)anthraquinone 1,5-Diamino-4,8-dihydroxy(p-hydroxyphenyl)anthraquinone 31529-83-6 9,10-Anthracenedione, 1,5-diamino-4,8-dihydroxy(4-hydroxyphenyl)- EINECS 250-684-1