Norethisterone enanthate

Norethisterone enanthate (INN, BAN), also known as norethindrone enanthate (USAN), brand names including Norigest, Nur-Isterate, Norlutin enanthate and others, is a steroidal progestin with additional antigonadotropic (and hence antiandrogen and antiestrogen) effects that is used as a hormonal contraceptive. It is an enanthate ester of norethisterone.