(4R,5S)-(+)-3-[(2R)-2-isopropyl-5-methyl-1-oxohex-5-en-1-yl]-4-methyl-5-phenyl-2-oxazolidinone

(R)-2-(2-(2,2-dimethyl-1,3-dioxolan-4-yl)ethyl)-4,4-dimethyl-4,5-dihydrooxazole

(4R,5S)-4-methyl-5-phenyl-3-((2R,3S)-2,3,7-trimethyloct-6-enoyl)oxazolidin-2-one

去甲伪麻黄碱

(4R,5S)-3-丙酰基-4-甲基-5-苯基-2-噁唑烷酮