The molecule is a methyl phenyl(piperidin-2-yl)acetate that has S configuration alpha to the carbonyl group and R configuration at the stereocentre bearing the nitrogen. It is an enantiomer of a methyl (R)-phenyl[(S)-piperidin-2-yl]acetate.
methyl (2S)-2-phenyl-2-[(2R)-piperidin-2-yl]acetate