Two new anthraquinones from Hedyotis diffusa W.
Two new anthraquinones, 2,6-dihydroxy-3-methyl-4-methoxyanthraquinone (1) and 2-hydroxy-7-hydroxymethyl-3-methoxyanthraquinone (2), were isolated from Hedyotis diffusa W. Their structures were elucidated by means of spectroscopic evidence.