(S)-2-Amino-N,N-diethylpropanamide hydrochloride; Propanamide, 2-amino-N,N-diethyl-, Hydrochloride (1:1), (2S);Propanamide,2-amino-N,N-diethyl-,Hydrochloride,(2S); (2S)-2-amino-N,N-diethylpropanamide;hydrochloride