6-Oxo-5-phenyl-(E)-2-pentensaeure-methylester

δ-(Benzoylamino)-β,β-difluoro-γ-oxobenzenehexanoic Acid

4-benzyl-2-phenyl-5,5-bis-trifluoromethyl-4,5-dihydro-oxazole-4-carboxylic acid methyl ester