Methyl 1-cyclopentyl-7-cyclopropyl-2-mercapto-4-oxo-1,4-dihydropyrido[2,3-d]pyrimidine-5-carboxylate

Methyl 2-(2-phenylhydrazinecarbothioamido)benzoate

Methyl 3-(4-chlorophenyl)-1H-pyrazole-5-carboxylate

Methyl 3-bromo-4-oxo-4-phenylbutanoate

Methyl 3-methyl-5-(2-thienyl)-1H-pyrazole-4-carboxylate

Methyl 3,3-difluoro-1-methylcyclobutanecarboxylate

Methyl 4-(2-oxopropyl)benzoate

Methyl 4-bromo-3-methyl-1H-pyrazole-5-carboxylate

Methyl 5-ethyl-2-hydroxybenzoate

Methyl 5-tert-butyl-2-methoxybenzoate