http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Synthetic approaches to nonaromatic nitrogen heterocycles
"Nitrogen heterocycles are widely distributed in nature, as well as in many men made substances such as pharmaceuticals, agrochemicals and materials. Every year new structures are seen in the new medicines approved. A sound knowledge of the latest developments in this field is essential for research and development work"--
Includes bibliographical references and index.