methyl (S)-phenyl[(S)-piperidin-2-yl]acetate
Methyl (S)-phenyl[(S)-piperidin-2-yl]acetate is a methyl phenyl(piperidin-2-yl)acetate in which both stereocentres have S configuration. It is the inactive enantiomer in the racemic drug methylphenidate. It is an enantiomer of a dexmethylphenidate.