Synonyms: Pyrrolidine,2-methyl-, hydrochloride, (2S)- (9CI);Pyrrolidine, 2-methyl-, hydrochloride,(S)-;(2S)-2-Methylpyrrolidine hydrochloride;(2S)-Methylpyrrolidinehydrochloride;(2S)-2-Methylpyrrolidine hydrochloride (1:1);(S)-2-Methylpyrrolidinehydrochloride;Pyrrolidine, 2-methyl-, (2S)-, hydrochloride (1:1);