tert-butyl (R)-4-oxo-3-phthalimido-2,3,4,5-tetrahydro-1,5-benzothiazepine-5-acetate
tert-butyl (R)-3-amino-4-oxo-2,3,4,5-tetrahydro-1,5-benzothiazepine-5-acetate
ethyl 4-(1-methylcyclohexyl)-2-oxobutyrate
ethyl 3-(1-methylcyclohexyl)propionate
(R)-3-(2-nitrophenyl)thio-2-phthalimidopropionic acid