Synonyms: 1,8-Dihydroxy-3-methylanthraquinone;9,10-Anthracenedione, 1,8-dihydroxy-3-methyl- (9CI);1,8-dihydroxy-3-methyl-9,10-anthraquinone;C.I. Natural Yellow 23;Anthraquinone, 1,8-dihydroxy-3-methyl-;Chrysophansaeure;9,10-Anthracenedione, 1, 8-dihydroxy-3-methyl-;3-Methyl-1, 8-dihydroxyanthraquinone;9,10-Anthracenedione,1,8-dihydroxy-3- methyl-;