2-((1'S)-1'-hydroxy-1'-phenylethyl)hexahydro-4,4,7-trimethyl-4H-1,3-benzoxathiin

(S)-(+)-扁桃酸

magnesium,carbanide,iodide

2,2-二乙氧基苯乙酮

(1S,2R,5R,7S,9R)-5-benzoyl-10,10-dimethyl-4-oxa-6-thiatricyclo[7.1.1.02,7]undecane