Norethindrone Acetate

**Definition:** Acetate ester of norethindrone that is used as a long-term contraceptive (CONTRACEPTIVE AGENTS).

**Tree numbers:** - D04.210.500.668.651.693.651.500

**Synonyms:** - Estr-4-en-3-one, 17-(acetyloxy)-17-ethynyl-, (17beta)- - Norethisterone Acetate