Massachusetts, like Pennsylvania, Virginia, and Kentucky, is called a Commonwealth. Commonwealths are states, but the reverse is not true. Legally, Massachusetts is a commonwealth because the term is contained in the Constitution.
Description of Benzazepine. Benzazepine: bicyclic structure consisting of fused benzene and azepine rings; many compounds with this structure react with biogenicamine receptors, and so are psychotropic and neurotropic. Source: CRISP. Benzazepine: Compounds with BENZENE fused to AZEPINES.
Diazepam is a drug of the benzodiazepine class. Benzodiazepine drugs contain a benzene ring fused to a diazepine ring, which is a seven membered ring with the two nitrogen constituents located at R1 and R4. At R1, diazepam is substituted with methyl group.