Choline Esters of N-Substituted Amino Acids. Part 9. Synthesis and Cholinergic Properties of β-Dimethylaminoethyl Esters of N-Substituted Amino Acids.-The title esters (III) as well as their ammonium salts (V) are synthesized and tested for their cholinergic activity. -(TOPUZYAN, V. O.; KHACHVANKYAN, G. YU.; SHAKHBAZYAN, L. V.; GERASIMYAN, D. A.; Khim.-Farm.