butyl,benzyloxycarbonylamino,azetidine,carboxylate
Azetidine
89971-78-81-Azetidinesulfonic acid,3-[[[2-[(chloroacetyl)amino]-4-thiazolyl](methoxyimino)acetyl]amino]-2-(5-methyl-2,4-dioxo-3-oxazolidinyl)-4-oxo-, monosodium salt
204589-80-0Methyl (3R,4S)-1-(4-fluorophenyl)-2-oxo-4-[4-(phenylmethoxy)phenyl]-3-azetidinepropanoate