for the following products
(2R,4S)-Ethyl 5-([1,1'-biphenyl]-4-yl)-4-amino-2-methylpentanoate | (2R,4S)-Ethyl 5-([1,1'-biphenyl]-4-yl)-4-amino-2-methylpentanoate hydrochloride and (2R,4S)-4-Amino-5-(biphenyl-4-yl)-2-methylpentanoic acid ethyl ester hydrochloride
