CJCU
Studies on the Synthesis and Structure of N-(1-Oxo-1-phospha-2,6,7-trioxabicyclo[2.2.2]octane-4-carbonyl)-N'-aryl(alkyl)thioureas
LI Yu-Gui, ZHU Xue-Feng, HUANG Qin, LIU Jun
Chem. J. Chinese Universities . 1996, (9): 1394 -1398 .