Dibenzazepine

Dibenzazepine (iminostilbene) is a chemical compound with two benzene rings fused to an azepine ring.

[1] Many pharmaceuticals, such as carbamazepine, oxcarbazepine, and depramine, are based on a dibenzazepine structure.

Skeletal formula of dibenzazepine
Ball-and-stick model of the dibenzazepine molecule