甲醇

4-溴-1-丁烯

乙醛酸

methyl (2R,4S)-4-hydroxy-1-((R)-1-phenylethyl)piperidine-2-carboxylate

(2R,3aR,7R)-2-(2-hydroxyethyl)-7-phenyltetrahydroisoxazolo[3,2-c][1,4]oxazin-4(2H)-one