(3S)-3-amino-N-(2-methoxyethyl)-3-[2-(trifluoromethyl)phenyl]-propanamide hydrochloride
(3S)-3-amino-N-(2-hydroxyethyl)-3-[2-(trifluoromethyl)phenyl]-propanamide hydrochloride
tert-butyl {(1S)-3-[(2-hydroxyethyl)amino]-3-oxo-1-[2-(trifluoromethyl)phenyl]propyl}carbamate
tert-butyl {(1S)-3-[(2-methoxyethyl)amino]-3-oxo-1-[2-(trifluoromethyl)phenyl]propyl}carbamate