105889-80-3

PIVA BPCN PIVA、BPCN Cefcapene Impurity 2 Cefcapene Impurity 9 Cefcapene pivoxil Impurity 11 (tert-Butoxycarbonyl)oxycefcapene pivoxil [(2,2-dimethylpropanoyl)oxy]methyl (6R,7R)-7-{[(2Z)-2-{2-[(t... pivaloyloxymethyl 7β-[(Z)-2-(2-tert-butoxycarbonylaminothiazol-4-yl)-2-pentenoylamino]-3-carbamoyloxymethyl-3-cephem-4-carboxylate 2,2-Dimethylpropanoyloxymethyl (6R,7R)-7-[(Z)-2-(2-t-Butoxycarbonylaminothiazol-4-yl)pent- 2-enoylamino]-3-carbamoyloxymethyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate 5-Thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid, 3-[[(aminocarbonyl)oxy]methyl]-7-[[(2Z)-2-[2-[[(1,1-dimethylethoxy)carbonyl]amino]-4-thiazolyl]-1-oxo-2-penten-1-yl]amino]-8-oxo-, (2,2-dimethyl-1-oxopropoxy)methyl ester, (6R,7R)-