4,5,9,14-Tetramethyl-19-norcholest-24-en-3-one

The title compound, C₃₀H₅₀O, was isolated from the Chinese medicinal plant Aster tataricus L., which has been used for the relief of coughs and as an expectorant. In the molecule, a tetracyclic ring system, with all six-membered rings in chair conformations, is linked to a C₆ side chain.

Chloro­bis(1,10-phenanthroline)copper(II) 2-carboxy­benzene­sulfonate monohydrate

In the title compound, [CuCl(C₁₂H₈N₂)₂](C₇H₅O₅S)·H₂O, copper(II) is coordinated by four N atoms and one chloride anion in a distorted trigonal-bipyramidal geometry. The Cu-N bond lengths are in the range 1.992 (3)-2.121 (3) Å, while the Cu-Cl distance is 2.3046 (11) Å.