Nicandra physaloides(Solanaceae) contains two new methyl steroids (2) and (3); the constitution of the former is demonstrated by crystallographic analysis of its acetate, using direct methods.
M. J. Begley, L. Crombie, P. J. Ham and D. A. Whiting, J. Chem. Soc., Chem. Commun., 1972, 1108a DOI: 10.1039/C3972001108A
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