Isosilybin B is a flavonolignan extracted from silymarin that exhibits anti-prostate cancer (PCA) activity, inhibits cancer cell proliferation, and contributes to G1-phase blockade and apoptosis.Isosilybin B induces degradation of the androgen receptor.

1,3,6-Trihydroxy-2-methyl-9,10-anthraquinone-3-O-(6'-O-acetyl)-beta-D-xylopyranosyl-(1->2)-beta-D-glucopyranoside ( Compound 20) is a quinone compound that can be isolated from the roots and rhizomes of Madder.

9-Octadecenedioic acid.