9,10-Anthracenedione, 1,2,4-trihydroxy-
Purpurin
Anthraquinone, 1,2,4-trihydroxy-
1,2,4-Trihydroxy-9,10-anthracenedione
C.I. 58205
C.I. 75410
Hydroxylizaric acid
Smoke Brown G
Verantin
Purpurine
Purpurin (dye)
1,2,4-Trihydroxyanthraquinone
1,2,4-Trihydroxy-9,10-anthraquinone
NSC 10447
1,2,4-Trihydroxy-9,10-dihydroanthracene-9,10-dione