Leuco-1,4-dihydroxyanthraquinone, 2,3-dihydro-9,10-dihydroxyanthracene-1,4-dione, 2,3DIHYDRO-1,4-DIHYDROXY-9,10-ANTHRACENEDIONE, 9,10-DIHYDROXY-2,3-DIHYDRO-ANTHRACENE-1,4-DIONE, 4-Anthracenedione,2,3-dihydro-9,10-dihydroxy-1, 2,3-dihydro-9,10-dihydroxy-4-anthracenedione, 1,4,9,10-Anthratetrol, 1,4-DIHYDROXY-2,3-DIHYDRO ANTHRAQUINONE, Leucoquinizarin, 9,10-dihydroxy-2,3-dihydro-1,4-anthraquinone, 9,10-Dihydroxy-2,3-dihydro-1,4-anthracenedione, 2,3-dihydro-9,10-dihydroxyanthracene-1,4-dione <leucoquinizarin>