organic compounds
The stereochemistry as well as the absolute configuration of the title compound, C36H52O5S, were established and confirmed by single-crystal X-ray diffraction.
organic compounds
The absolute configuration of the title compound, C30H48O4, was assigned by reference to a known chiral centre. The conformations of the four fused rings constituting the core of the molecule are comparable to those of some other triterpenes from the same family.