4-(2-chlorophenyl)butan-2-one

4-(4-chloropyridin-3-yl)-butan-2-one

1,2-dimorpholin-4-ylethane-1,2-dione

4-(2-chloro-5-nitrophenyl)-butan-2-one

4-(4-氯-2-甲基喹啉-3-基)-2-丁酮