2-羥蒽絳酚

(1-acetyloxyanthracen-2-yl) acetate

4-chloro-1,2-dihydroxyanthracene-9,10-dione

3,4-二羟基-9,10-二氧代-9,10-二氢蒽-2-磺酸

3,4-dihydroxy-9,10-dioxo-9,10-dihydro-anthracene-1-sulfonic acid