10-[[(10-Oxo-10,11-dihydro-5H-dibenzo[b,f]azepin-5-yl)carbonyl]amino]-5H-dibenzo[b,f]azepine-5-carboxamide; 10-(10-Oxo-10,11-Dihydro-5H-dibenzo[b,f]azepine-5-carboxamido)-5Hdibenzo[b,f]azepine-5-carboxamide; Oxcarbazepine Related Compound D (USP)