masoprocol

Also known as CHX 100, CHX-100, erythro-nordihydroguaiaretic acid, Masoprocolum, meso-1,4-bis(3,4-dihydroxyphenyl)-2,3-dimethylbutane, meso-2,3-bis(3,4-dihydroxyphenylmethyl)butane, meso-4-[4-(3,4-dihydroxyphenyl)-2,3-dimethylbutyl]benzene-1,2-diol, meso-4,4'-(2,3-dimethyl-1,4-butanediyl)bis(pyrocatechol)

Masoprocol is an antineoplastic drug used to treat skin growths caused by sun exposure. It is the meso form of nordihydroguaiaretic acid that is taken by mouth. The substance is being studied in the treatment of prostate cancer.