Triphenylethylene

Triphenylethylene (TPE) is a simple aromatic hydrocarbon that possesses weak estrogenic properties.
TPE is the parent compound of a group of non-steroidal selective estrogen receptor modulators (SERMs) that includes tamoxifen, clomiphene, chlorotrianisene, DBE, broparestrol, toremifene, droloxifene, idoxifene, ospemifene, fispemifene, and miproxifene, among others.