Fraction F (1.2 g) was also applied to a Sephadex LH-
20 column (150 g) using 80% CH2Cl2–MeOH (2 L) to provide compound
5 (6.5 mg). Finally, fraction G (1.1 g) was subjected to chromatotron
with 80% hexane–EtOAc (200 mL) to yield compound 2 (15.2 mg) and
compound 6 (4.5 mg).