作者:C.G. Francisco、R. Freire、R. Hernandez、J.A. Salazar、E. Suarez、R. Vlahov、V. Tarpanov、M. Boshkova-Ljapova、B. Milenkov、V. Stoilova、J. Vlahov、G. Snatzke、M. Kielczewski、J. Gawronski、L. Strekowski
DOI:10.1016/0039-128x(83)90098-3
日期:1983.3
Some new derivatives of norethisterone (17 alpha-ethynyl-17 beta-hydroxyestr-4-en-3-one) are described in which the 17 beta-hydroxyl group of the steroid is esterified with polyunsaturated aliphatic acids. The potential of these compounds as long-acting contraceptive agents has been evaluated.