chlorotrianisene

noun

chlo·​ro·​tri·​an·​i·​sene -ˌtrī-ˈan-ə-ˌsēn 

: a synthetic estrogen C₂₃H₂₁ClO₃ that is administered orally in the treatment of menopause-related conditions (as atrophic vaginitis and kraurosis vulvae), abnormal estrogen deficiency (as in hypogonadism), or in the palliative treatment of some prostate cancers