(2-methyl-1,3-dithian-2-yl)-phenylmethanone

4-(2-methyl-1,3-dioxolan-2-yl)-1-phenylbutan-1-one

(3-aminopyridin-2-yl)-phenylmethanone

1,4-联苯基-1-丁酮

3-氧代-3-苯基丙酸叔丁酯