3-phenyl-2-(2-pyridin-2-ylethoxycarbonylamino)propanoic acid

tert-butyl 4-methyl-2-[[3-phenyl-2-(2-pyridin-2-ylethoxycarbonylamino)propanoyl]amino]pentanoate

2-pyridin-2-ylethyl 4-bromo-2-fluorobenzoate

2-pyridin-2-ylethyl 4-bromo-3-methylbenzoate

2-methyl-N-(2-pyridin-2-ylethyl)aniline