title: [Synthesis of cyclopentylpropionic ester of norethisterone acetate as a long-acting contraceptive].
mesh_terms: D003276:Contraceptives, Oral / Q000138:chemical synthesis* / Q000494:pharmacology; D005260:Female; D006801:Humans; D009640:Norethindrone / Q000031:analogs & derivatives* / Q000138:chemical synthesis / Q000494:pharmacology; D000077563:Norethindrone Acetate
chemical_list: D003276:Contraceptives, Oral; C046988:norethisterone acetate 3-cyclopentylpropionate; D000077563:Norethindrone Acetate; D009640:Norethindrone