2-Acetamido-4-mercaptobutyric acid 2-(p-chlorophenoxy)-2-methylpropionate (ester) 54657-98-6 N-Acetyl-S-(2-(4-chlorophenoxy)-2-methyl-1-oxopropyl)homocystein N-Acetyl-S-(2-(4-chlorophenoxy)-2-methylpropionyl)homocystein Serfibrat Serfibrate Serfibrate [INN] Serfibratium Serfibrato