BIA 2-093 appeared to be rapidly and extensively metabolised to BIA 2-005 [ RS ( + / - ) -10,11 - dihydro-10-hydroxy-5H-dibenzo / b , f/azepine -5 - carboxamide ] , the major metabolite , and oxcarbazepine ( the minor metabolite ) , following single oral doses of BIA 2-093 of 20-1200 mg .
