Piperacillin Sodium - Impurity K

NA

Piperacillin Monohydrate Impurity K (EP/BP); (2Ξ)-2-[[(E)-[2-[(R)-[(4-ethyl-2,3-dioxopiperazine-1-carbonyl)amino](phenyl)methyl]-5-oxo-1,3- oxazol-4(5H)-ylidene]methyl]amino]-3-methyl-3-sulfanylbutanoic Acid; (2ξ)-2-[[(E)-[2-[(R)-[(4-ethyl-2,3-dioxopiperazine-1-carbonyl)amino](phenyl)methyl]-5-oxo-1,3-oxazol-4(5H)-ylidene]methyl]amino]-3-methyl-3-sulfanylbutanoic Acid; Piperacillinpenicillenic acid; 2-{[(E)-{2-[(R)-(4-Ethyl-2,3-dioxopiperazine-1-carboxamido)(phenyl)methyl]-5-oxooxazol-4(5H)-ylidene}methyl]amino}-3-mercapto-3-methylbutanoic Acid (USP);