(1R,2R,4S)-N-[((S)-1-phenylethyl)carbamoyl]mecamylamine

(S)-3-Methyl-2-(1-phenyl-ethylamino)-butyric acid methyl ester

ethyl (1-phenylethyl)-L-valinate

methylN-chloro-N-(1-phenylethyl)-L-valinate

(S)-tert-butyl 3-methyl-2-((1-phenylethyl)amino)butanoate