139571-00-9 2-(Hydroxymethyl)anthraquinone-hemiglutarate G-Hmaq Glutaryl-2-(hydroxymethyl)anthraquinone Mono(9,10-dihydro-9,10-dioxo-2-anthracenyl)methyl pentanedioate Pentanedioic acid, mono(9,10-dihydro-9,10-dioxo-2-anthracenyl)methyl ester