4-[(1Z)-4-Chloro-1,2-diphenylbut-1-en-1-yl]phenol is derived from 4-Hydroxybenzophenone (H829305), which is a metabolite of benzophenone;Also, it is the Z isomer of (E)-4-(4-Chloro-1,2-diphenylbut-I-en-I-yl)phenol (O703015), which is a derivative of Ospemifene (O703000) impurity, used in the treatment of dyspareunia. It is a selective estrogen receptor modulator (SERM) acting similarly to an estrogen.
