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Figure 2
Atom-labelling scheme and atom-displacement parameters at the 50% probability level for non-H atoms in (2). Atoms in (3) are labelled analogously as in (2). Atoms of the triterpene units in the two symmetry-independent molecules in (1) and (4) have A and B added to their labels, whereas the atoms in the succinyl groups are marked with single and double primes, respectively.

Journal logoSTRUCTURAL SCIENCE
CRYSTAL ENGINEERING
MATERIALS
ISSN: 2052-5206
Volume 71| Part 1| January 2015| Pages 25-33
doi:10.1107/S2052520614026419
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