It is well known that amino derivatives of nicotinic acid possess significant neuropsychotropic properties. In particular, the nicotinoyl derivatives of glutamic and" t- aminobutyric (GABA) acids have the properties of lowering motor excitation stimulated by phenamine, promoting the action of hexenal, and lowering motor activity; in addition, these compounds have antispasmodic action according to their antagonism to korazole, and ...