1-tert-Butyl 3-ethyl 5,6-dihydropyridine-1,3(2H)-dicarboxylate
4-(2,3-Dichloro-phenyl)-2,6-dimethyl-1,4-dihydro-pyridine-3,5-dicarboxylic acid 3-(2-cyano-ethyl) ester 5-methyl ester
Ethyl 1-bromoimidazo[1,5-a]pyridine-3-carboxylate
5-Bromo-2-(1-bromoethyl)pyridine