18 - 6.7 - methylene - methyl - 3 - oxo - 17 - pregn - 4 - in - 21,17b - carbolactona, Pharmaceutical Preparations Containing these compounds and their use in therapy of endometriosis.

摘要

This refers to 18 - methyl - 6.7 - methylene - 17 - pregn - 4 - in - 21,17b - carbolactona of the General formula (1) wherein the 6.7 - methylene Group can be in position a or B, Pharmaceutical Preparations Containing at least one isomer of the formula (1), as well as its use in the Treatment of endomet RIOSIS.