3-methoxy-1-phenyl-4-(triphenyl-l⁵-phosphanylidene)but-2-en-1-one

(2,4-Dioxo-4-phenylbutyl)triphenylphosphonium-chlorid

3-methylthio-1-phenyl-4-phenylsulfonyl-2-buten-1-one

3-(hydroxyamino)-1-phenyl-4-(phenylsulfonyl)but-2-en-1-one

(3-methyl-5-phenyl-isoxazol-4-yl)-boronic acid