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