methyl (4S)-(3-benzyloxycarbonyl-2,2-dimethyl-1,3-oxazolidin-4-y)acetate

(S)-2,2-dimethyl-4-(2-oxo-ethyl)-oxazolidine-3-carboxylic acid benzyl ester

methyl 5-benzyloxycarbonylamino-3-bromo-6-methoxypyridine-2-carboxylate

甲醇钠