Studies on synthesis of 6-aryl-3-(3-nitrophenyl/4-nitro-phenyl)-1, 2, 4-triazolo[3, 4-b]-1, 3, 4-thiadiazole derivatives
Shi Haijian;Shi Haoxin;Wang Zhongyi
Chin. J. Org. Chem. . 1999, (2): 195 -199 .