2-Methoxy-1H-phenalen-1-one (2-Methoxyphenalen-1-one) displays significantly enhanced activity against Mycosphaerella fijiensis in comparison with other phenylphenalenones.
1-Methyl-2-nonylquinolin-4(1H)-one has anti-inflammatory activity, it exhibits inhibitory activity on leukotriene biosynthesis in a bioassay using human polymorphonuclear granulocytes, with IC50 values of 12.1 microM.