.gamma.-Ethyl L-glutamate .gamma.-Ethylglutamate 1119-33-1 Ethyl glutamate Glutamic acid .gamma.-ethyl ester Glutamic acid, 5-ethyl ester, L- L-Glutamate-.gamma.-ethyl ester L-Glutamic acid .gamma.-ethyl ester L-Glutamic acid, 5-ethyl ester NSC16885