leucoform of 1,4-dihydroxy-9,10-anthraquinone;1,4-Dihydroxy-2,3-dihydro-anthrachinon-(9,10);Anthraquinone,2,3-dihydro-1,4-dihydroxy;leucoquinizarin;9,10-Anthracenedione,2,3-dihydro-1,4-dihydroxy;
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