Synthesis of N-Substituted Benzothia-zol-2-yl-amino- N'-substituted Pyrazol-4-yl-carbonylthiourea under Ultrasound
JIA Zhao-Xiang,LI Yan-Ping,LIU Chen-Jiang*
Chin. J. Org. Chem. . 2005, (11): 1450 -1453 .