Synonyms: 1,8-dihydroxy-3-methyl-10H-anthracen-9-one;Chrysarobin (pure substance);chrysophanol-9-anthrone;1,8-dihydroxy-3-methylanthrone;Anthrone, 1,8-dihydroxy-3-methyl-;9(10H)-Anthracenone,1,8-dihydroxy-3-methyl-;1,8-dihydroxy-3-methyl-9(10H)-anthracenone;Chrysothrone;9(10H)-Anthracenone, 1,8-dihydroxy-3-methyl-;Chrysophanic acid 9-anthrone;Chrysophanic acid-9-anthrone;Chrysophanol anthrone;