methyl 3-[((7S)-7-{(tert-butoxycarbonyl)[(2R)-2-(3-chlorophenyl)-2-hydroxyethyl]amino}-5,6,7,8-tetrahydro-2-naphthalenyl)oxy]-5-nitrobenzoate

methyl 3-amino-5-[((7S)-7-{(tert-butoxycarbonyl)[(2R)-2-(3-chlorophenyl)-2-hydroxyethyl]amino}-5,6,7,8-tetrahydro-2-naphthalenyl)oxy]benzoate

methyl 3-{[(7S)-7-{(tert-butoxycarbonyl)[(2R)-2-(3-chlorophenyl)-2-hydroxyethyl]amino}-5,6,7,8-tetrahydronaphthalen-2-yl]oxy}-5-(propylamino)benzoate

3-(((S)-7-((tert-butoxycarbonyl)((R)-2-(4-chlorophenyl)-2-hydroxyethyl)amino)-5,6,7,8-tetrahydronaphthalen-2-yl)oxy)benzoic acid

methyl 4-(((S)-7-((tert-butoxycarbonyl)((R)-2-(3-chlorophenyl)-2-hydroxyethyl)amino)-5,6,7,8-tetrahydronaphthalen-2-yl)oxy)benzoate