Resumen:
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From the leaves of Heterophyllaea pustulata two new monomeric anthraquinones, heterophylline (1,6-dihydroxy-7-
methoxy-2-methylanthraquinone, 1) and pustuline (2-hydroxy-3-methoxy-7-methylanthraquinone, 2), and one new
bianthraquinone, (S)-5,5¢-bisoranjidiol [(S)-5,5¢-bis(1,6-dihydroxy-2-methylanthraquinone),