Oxcarbazepine EP Impurity K Catalogue A294481 CAS 1346601-76-0 M.W 1346601-76-0 M.F C16H12N2O3 Specifications FAQs Synonyms:N-formyl-10-oxo-10,11-dihydro-5H-dibenzo[b,f]azepine-5-carboxamide