Birch-Me

3-Methoxy-estra-2,5(10)-dien-17-ol

3-methyl-1-[2-[2-(3-methylquinuclidin-1-ium-1-yl)ethoxy]ethyl]quinuclidin-1-ium

8-methyl-1-[2-[2-(8-methyl-1-azoniabicyclo[2.2.2]octan-1-yl)ethoxy]ethyl]-1-azoniabicyclo[2.2.2]octane