2,2-dimethyl-5-phenyl-3-propan-2-yl-1,3-oxazolidin-4-one

3-hydroxy-1-isopropyl-4,4-dimethyl-3-phenyl-azetidin-2-one

DL-扁桃酸甲酯

2-hydroxy-N,N-dimethyl-2-phenylacetamide

D-(-)-扁桃酸