The bark and leaves of Geijera paniculata have yielded two common acid
ic constituents, eriostoic and eriostemoic acids, and a novel coumarin
, whose structure was established on the basis of spectral data, as ox
y)-2',2'-dimethylpyrano-[3,2-g]-benzopyran-2-one (trivial name, 8-O-(3
-methylbut-2-enyl)xanthoxyletin. (C) 1997 Elsevier Science Ltd.