2-Amino-6-tert-butoxycarbonyl-5,6,7,8-tetrahydropyrido-[4,3-d]-pyrimidine

6-(Difluoromethyl)-4-hydroxypyridine-2-carboxamide

3-Amino-1-ethyl-1H-pyrazole-5-carboxylic acid ethyl ester

2-(4-Amino-1H-pyrazol-1-yl)-2-methylpropanoic acid hydrochloride

Methyl 4-(2-Aminopyrimidin-4-yl)benzoate

Ethyl 5-(pyrimidin-5-yl)thiophene-2-carboxylate

Ethyl 5-(6-methylpyridin-3-yl)thiophene-2-carboxylate

trans-2-[2-(2-methylphenyl)-2-oxoethyl]cyclopentane-1-carboxylic acid

trans-2-[2-(2-chlorophenyl)-2-oxoethyl]cyclopentane-1-carboxylic acid

trans-2-[2-oxo-2-(2-nitrophenyl)ethyl]cyclopentane-1-carboxylic acid

trans-2-(3-chlorobenzoyl)cyclopentane-1-carboxylic acid