h the carbon to a benzene ring 545 Ketone in Z radical 546 ZC(=O)OY, wherein Z is an acyclic radical bonded to the C=O by a carbon and Y is an organic radical bonded to the oxygen by a carbon 547 Compound contains two or more C(=O)O groups 548 Ring is alcohol moiety 549 Z radical contains carbon to carbon unsaturation 550 Z radical contains sulfur or halogen 551 Z radical contains nitrogen 552 Z c