Synthesis of 4-prop-2-ynyl-3-butyl benzo-[E][1,2,4]thiadiazine-1,1-dioxide CO U. Synthesis of 4-prop-2-ynyl-3-butyl benzo-[E][1,2,4]thiadiazine-1,1-dioxide. Asian Journal of Pharmaceutical and Health Sciences. 2011;1(1):30-32.