diethyl 2-(((2,4-difluorophenyl)amino)methylene)malonate

6-Chloro-4-phenyl-3-quinolinecarboxylic acid ethyl ester

8-chloro-4-oxo-1,4-dihydroquinoline-3-carboxylic acid ethyl ester

[2-(4-chloro-pyridin-2-yl)-1-ethoxy-butyl]-malonic acid diethyl ester

ethyl 1-methyl-2-(methylthio)-6-oxo-1,6-dihydropyrimidine-5-carboxylate