Diazabicycloalkanes with nitrogen atoms in the nodal positions. 8. Effect of c-substituents on the N-methylation of 1,4-diazabi cyclo[2.2.2]octanes and the demethylation of their bisquaternary salts
Diazabicycloalkanes with nitrogen atoms in the nodal positions. 8. Effect of c-substituents on the N-methylation of 1,4-diazabi cyclo[2.2.2]octanes and the demethylation of their bisquaternary salts