http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Synthesis of some ionic liquids and application as green solvents in the paal-knorr reaction between hexane-2,5-dione and cyclohexylamine
Phan Thanh Son Nam, Le Vu Ha, Bui Van Hoa Huynh.