(4R,5R)-2,2-dimethyl-5-vinyl-[1,3]dioxolane-4-carbaldehyde

tetrahydro-2,2-dimethyl-6-phenylmethyl-(3aS,4S,7R,7aS)-4,7-methano-4H-1,3-dioxolo[4,5-d][1,2]oxazine

(3aS,4S,6aR)-4-(iodomethyl)-6-methoxy-2,2-dimethyltetrahydrofuro[3,4-d][1,3]dioxole

D-(-)-扁桃酸