methyl (4S,10aS)-4-amino-5-oxo-2,3,4,7,8,9,10,10a-octahydropyrido[2,1-b][1,3]thiazepine-7-carboxylate 、
(S)-Alpha-(硫代醋酸基)苯丙酸 生成 methyl (4S,10aS)-4-[[(2S)-2-acetylsulfanyl-3-phenylpropanoyl]amino]-5-oxo-2,3,4,7,8,9,10,10a-octahydropyrido[2,1-b][1,3]thiazepine-7-carboxylate