All the following are hormonal agents used against breast cancer except (AIIMS May 2009)
Letrozole, anastrozole and exemestane are aromatase inhibitors useful for the treatment of tamoxifen resitant
Taxomifen is a SERM. It is also used for breast cancer.
Taxol is commonly used term for paclitaxel. It is a cytotoxic drug (not hormonal).