N-methyl(2-chloromethyl)pyrrolidine hydrochloride, (S)-2-Chloromethyl-1-methyl-pyrrolidine, (S)-1-methyl-2-(chloromethyl)pyrrolidine hydrochloride, (S)-(-)-1-methyl-2-(chloromethyl)pyrrolidine hydrochloride, 1-methyl-2-(S)-chloromethylpyrrolidine hydrochloride, hydrochloride, (S)-2-(chloromethyl)-1-methylpyrrolidine hydrochloride