6-amino-4-(4-methylsulfanyl-phenyl)-2-oxo-1,2,3,4-tetrahydro-pyridine-3,5-dicarboxylic acid diethyl ester
(+/-)-p-Methylmercapto-benzhydrylmalonsaeure
(+/-)-3-(p-Methylsulfinylphenyl)-3-phenyl-propionsaeure
3-(4-methanesulfonyl-phenyl)-3-phenyl-propionic acid
3-(4-methylsulfanyl-phenyl)-3-phenyl-propionic acid