参考文献

Wilds; Djerassi Journal of the American Chemical Society, 1946 , vol. 68, p. 2125,2128 Full Text Show Details Inhoffen in H. Lettre; H. H. Inhoffen; R. Tschesche Ueber Sterine, Gallensaeuren und verwandte Naturstoffe, 2. Aufl. Bd. 2 S. 641 Full Text Show Details Inhoffen Angewandte Chemie, 1947 , vol. 59, p. 207,211, 212 Full Text Show Details Schering Corp. Patent: US2361847 , 1941 ; Full Text Show Details Schering A.G. Patent: DE751739 , 1936 ; DRP/DRBP Org.Chem. Full Text Show Details Inhoffen; Zuehlsdorff Chemische Berichte, 1941 , vol. 74, p. 1911,1916