4'-Hydroxytamoxifen (TFA)
4'-Hydroxytamoxifen TFA is a salt form of a metabolite of Tamoxifen. 4'-Hydroxytamoxifen TFA has a higher affinity for ER than Tamoxifen. 4'-Hydroxytamoxifen TFA induces non-apoptotic cytotoxicity in human endometrial adenocarcinoma cells.