参考文献

Hoffmann-La Roche Patent: US2430094 , 1944 ; DRP/DRBP Org.Chem. Full Text Show Details Hoffmann-La Roche Patent: DE819855 , 1951 ; Full Text Show Details Yamada; Kowaki Yakugaku Zasshi, 1951 , vol. 71, p. 1356,1358 Chem.Abstr., 1952 , p. 8036