参考文献

Van Duzee; Adkins Journal of the American Chemical Society, 1935 , vol. 57, p. 147,148 Full Text Show Details Bergstroem Helvetica Chimica Acta, 1949 , vol. 32, p. 3,5 Full Text Show Details Ruggli; Leupin; Businger Helvetica Chimica Acta, 1941 , vol. 24, p. 339,341, 342