(6-chloropyrazin-2-yl)-(4-methoxyphenyl)methanone

1-(4-methoxyphenyl)but-3-en-1-one

1-(4-methoxy-phenyl)-but-2-en-1-one

1-(4-methoxybenzoyl)azetidin-2-one

diphenylphosphoryl-(4-methoxyphenyl)methanone