CJCU
Chemistry of 1,2,4-Triazines(Ⅸ)--Synthesis of Chemical Properties of 3-Oxo-2,3-Dihydro-6-Methylthio-Pyrazolo(3,4-e)-1,2,4-Triazine
Cai Mengshen, Chen Wenzheng, Cheng Tiemin
Chem. J. Chinese Universities . 1987, (6): 523 -527 .