1) WILEY, P. F.; A. D. ARGOUDELIS & H. HOEKSEMA: The chemistry of actinospectacin. IV. The determination of the structure of actinospectacin. J. Am. Chem. Soc. 85: 2652, 1963
2) COCHRAN, T. G. & D. J. ABRAHAM: Stereochemistry and absolute configuration of the antibiotic spectinomycin: An X-ray diffraction study. J. C. S. Chem. Comm. 1972: 4944-4945, 1972
3) BRÜSCHWEILER F.; K. STÖCKEL & T. REICHSTEIN: Calotropis-glykoside, vermutliche Teilstruktur. Helv. Chim. Acta 52: 2276, 1969
5) BROWN, H. C. & R. F. MCFARLIN: Lithium tri-t-butoxyaluminohydride-a new reagent for converting acid chlorides to aldehydes. J. Am. Chem. Soc. 78: 252, 1956; ibid. 80: 5372, 1958