4-(2,3-Dichloro-phenyl)-2,6-dimethyl-1,4-dihydro-pyridine-3,5-dicarboxylic acid 3-(2-chloro-1-methyl-ethyl) ester 5-isobutyl ester
2-[1-(2,3-Dichloro-phenyl)-meth-(E)-ylidene]-3-oxo-butyric acid 2-chloro-1-methyl-ethyl ester
2-[1-(3-Nitro-phenyl)-meth-(E)-ylidene]-3-oxo-butyric acid 2-chloro-1-methyl-ethyl ester