Ethynodiol Diacetate

**Definition:** A synthetic progestational hormone used alone or in combination with estrogens as an oral contraceptive (CONTRACEPTIVES, ORAL).

**Tree numbers:** - D04.210.500.668.651.693.279

**Synonyms:** - 19-Norpregn-4-en-20-yne-3,17-diol, diacetate, (3beta,17alpha)- - Ethyndiol Diacetate - (3 beta, 17 alpha)-19-Norpregn-4-en-20-yne-3,17 diol Diacetate