β,β-Dimethylacrylshikonin24502-79-2100 % similar Acetylshikonin24502-78-179 % similar Alkannin517-88-469 % similar Shikonin517-89-569 % similar Deoxyshikonin43043-74-952 % similar Plumbagin481-42-538 % similar Naphthazarin475-38-734 % similar Isobavachalcone20784-50-332 % similar Xanthohumol6754-58-131 % similar Demethylsuberosin21422-04-830 % similar