4-(2,6-Dichlorobenzoyl)-2-methylpyridine

4-(2,5-Dimethoxybenzoyl)-2-methylpyridine

2-Methyl-4-(pentafluorobenzoyl)pyridine

5-(2-Bromobenzoyl)-2-chloropyridine

2-Chloro-5-(4-nitrobenzoyl)pyridine

2-Chloro-5-(4-pentylbenzoyl)pyridine

2-Chloro-5-(2,6-difluorobenzoyl)pyridine

2-Chloro-5-(2,5-dimethoxybenzoyl)pyridine

2-Chloro-5-(3,4-dimethylbenzoyl)pyridine

4-(2-Bromophenyl)-4-oxobutyronitrile

4-(2-溴苯基)-4-氧代丁腈

4-chloro-1-oxo-1-phenylbutane

4-氯苯丁酮