laccaic acid D

Flavokermesic acid

9,10-Dihydro-9,10-dioxo-1-methyl-3,6,8-trihydroxyanthracene-2-carboxylic acid

9,10-Dihydro-3,6,8-trihydroxy-1-methyl-9,10-dioxo-2-anthracenecarboxylic acid

3,6,8-Trihydroxy-1-methyl-9,10-dioxo-9,10-dihydro-2-anthracenecarboxylic acid