Studies on the formation and forming mechanism of the related substance E in potassium clavulanate production by HPLC-MS/MS
Braz. j. pharm. sci; 50 (2), 2014
The objective of this study was to investigate the formation and forming mechanism of the related substance E in potassium clavulanate production. The impurity with retention time of 11.1 min in potassium clavulanate final product was confirmed as the related substance E by high performance liquid chroma...