The MeOH extract of G. xanthochymus fruits was
sequentially partitioned with CHCl3 and EtOAc. Chromatography
of the CHCl3 partition over Sephadex LH-20,
followed by repeated gradient reversed-phase column chromatography
using mixtures of MeOH or MeCN in H2O, led
to the isolation of two new benzophenones, 1 and 2.