New aminooxime derivatives at position 3 of 2- and/or 4- substituted androstanes and androstenes, processes for their preparation, and to pharmaceutical compositions containing them for the treatment of cardiovascular disorders, such as heart failure and hypertension. In particular compounds having the general formula (I)are described, where the radicals have the meanings described in detail in the application.本發明揭示2-及/或4-經取代的雄固烷和雄固烯於第3位置上之新穎的胺基肟衍生物、製備彼等之方法及用於治療心血管疾病(諸如心力衰竭和高血壓)的含彼等之醫藥組成物。特別地,本發明描述通式(I)化合物其中基團之意義係詳細地敘述於說明書中。