Three new anthraquinones, islandicin 4-methyl ether (1), 1,2,6-trihydroxy-7,8-dimethoxy-3-methylanthraquinone (2), and 2-hydroxyemodin 1-methyl ether (3) as well as two known triterpenoids [taraxerol (4), lupeol (5)], six anthraquinones [chrysophanol (6), islandicin (8), parietin (9), emodin (10),