2016-08-242016-08-241999-11-23http://hdl.handle.net/10919/72403Compositions of xanthine and mercapto-allopurinol and methods of using same, for controlling the growth of pest insects which salvage, store, or excrete their nitrogenous wastes via the purine metabolic pathway.application/pdfen-USPatenthttp://pimg-fpiw.uspto.gov/fdd/15/901/059/0.pdf9102078424/84514/262.1514/278A01N43/90A01N61/00A01N43/54A01N2300/005990115