| 摘要 |
1. méthyl-15alpha-alkylandrosta-1,4-dienes-3,17-diones of the general formula I see diagramm : EP0225272,P12,F1 in which R15 is an alkyl group of 1 to 4 carbon atoms, which may be substituted in the 1 and/or 2 position by a hydroxy or a C2 -C7 alkanoyloxy group or a 1,2-isopropylidenedioxy group. |
