4-(3,5-Dimethoxy-phenylamino)-nicotinic acid hydrazide 、 1-(2,3-dihydrobenzo[1,4]dioxin-6-yl)-2-methylisothiourea hydroiodide 在
吡啶 作用下,
生成 {3-[5-(2,3-Dihydro-benzo[1,4]dioxin-6-ylamino)-4H-[1,2,4]triazol-3-yl]-pyridin-4-yl}-(3,5-dimethoxy-phenyl)-amine