65772-67-0

Piperacilin EP Impurity D Piperacillin EP Impurity D N-Piperacillinyl AMpicillin Piperacillin Sodium EP Impurity D Piperacillin Impurity 4(EP Impurity D) Piperacillin Impurity D(EP)(Piperacillin+Ampicillin) Piperacillin ImpurityⅡ:Impurity D(N-Piperacillinyl Ampicillin Piperacillin ImpurityⅡ:Impurity D(N-Piperacillinyl Ampicillin 6β-((R)-2-{6β-[(R)-2-(4-ethyl-2,3-dioxo-piperazine-1-carbonylamino)-2-phenyl-acetylamino]-penicillanoylamino}-2-phenyl-acetylamino)-penicillanic acid [2S-[2α[S*(2R*,5S*,6S*)],5α,6β(S*)]]-6-[[[[[6-[[[[(4-Ethyl-2,3-dioxo-1-piperazinyl)carbonyl]amino]phenylacetyl]amino]-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]hept-2-yl]carbonyl]amino]pheny [2S-[2α[S*(2R*,5S*,6S*)],5α,6β(S*)]]-6-[[[[[6-[[[[(4-Ethyl-2,3-dioxo-1-piperazinyl)carbonyl]amino]phenylacetyl]amino]-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]hept-2-yl]carbonyl]amino]pheny 4-Thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid, 6-[[[[[6-[[[[(4-ethyl-2,3-dioxo-1-piperazinyl)carbonyl]amino]phenylacetyl]amino]-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]hept-2-yl]carbonyl]amino]phenylacetyl]amino]-3,3-dimethyl-7-oxo-, [2S-[2α[S*(2R*,5S*,6S*)],5α,6β(S*)]]- (9CI)