(S)-1,4,5,8-tetramethoxy-2-p-tolylsulfinylnaphthalene
5,8-dimethoxynaphthoquinone
(+)-nogarene
shikonin
{(4R)-[(1R)-hydroxy-1-(1,4,5,8-tetramethoxynaphthalene-2-yl)-ethyl]-(2R)-phenyl-(6R)-vinyl-[1,3]dioxane-(5S)-yl}methylcarbamic acid methyl ester