2-acetyl-6-methylpyrazolo[1,5-c]quinazolin-5-one

4-iodobut-3-en-2-one

1-[2-(4-chlorophenyl)quinolin-4-yl]ethanone

(E)-4-(2-methoxyphenyl)but-3-en-2-one

反-4-(4-甲氧苯基)-3-丁烯-2-酮