参考文献

Hoffmann-La Roche Patent: DE820141 , 1951 ; Full Text Show Details Hoffmann-La Roche Patent: US2470108 , 1947 ; DRP/DRBP Org.Chem. Full Text Show Details Plati; Wenner Journal of Organic Chemistry, 1955 , vol. 20, p. 1412,1422