Aromatic rings (also known as aromatic compounds or arenes) are hydrocarbons which contain benzene, or some other related ring structure. Benzene, C6H6, is often drawn as a ring of six carbon atoms, with alternating double bonds and single bonds: This simple picture has some complications, however.
BNC), officially The King's Hall and College of Brasenose, is one of the constituent colleges of the University of Oxford in the United Kingdom. It was founded in 1509, with the College library and current chapel added in the mid-seventeenth century.
In this case the name of the college is abbreviated to BNC. An educational hall, also called Brasenose, was on this site from the 13th century, but Brasenose College can properly be said to date from 1509, when it was founded by Sir Richard Sutton and William Smith, Bishop of Lincoln.