首页>
外国专利>
17SS 3,3 VIC ALKYLENEDIOXY 17 ETHYNYL ANDROST 5 ENES AND THEIR USE IN THE PREPARATION OF 17 HYDROXY 3 OXO 17 PREGN 4 ENE 21 CARBOXYLIC ACID LACTONE ANDROST 4 EN 3 ONE
17SS 3,3 VIC ALKYLENEDIOXY 17 ETHYNYL ANDROST 5 ENES AND THEIR USE IN THE PREPARATION OF 17 HYDROXY 3 OXO 17 PREGN 4 ENE 21 CARBOXYLIC ACID LACTONE ANDROST 4 EN 3 ONE