Absolute structure of (3aS,5S,7aS,7bS,9aR,10R,12aR,12bS)-7b-hy­droxy-4,4,7a,9a,12a-penta­methyl-10-[(2′R)-6-methyl­heptan-2-yl]-2,8,9-trioxo­octa­deca­hydro­benzo[d]indeno­[4,5-b]azepin-5-yl acetate from 62-year-old crystals

Acta Crystallographica Section E
Acta Crystallographica
Section E CRYSTALLOGRAPHIC COMMUNICATIONS

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Figure 1
Crystals of the title compound in the original tube where they were saved for more than 60 years.

CRYSTALLOGRAPHIC
COMMUNICATIONS

ISSN: 2056-9890

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