6-hydroxy-2,5-dimethoxy-2,7-dimethyl-3-phenylchromene

6-hydroxy-5-methoxy-2,7-dimethyl-3-phenyl-4H-1-benzopyran-4-one

9-hydroxy-4,8-dimethyl-5-phenyl-5H-pyrano[4,3,2-de][1,3]benzodioxin

methyl 3-hydroxy-2-methoxy-4-methyl-6-(1-methylstyryloxy)benzoate

5-hydroxy-4-methoxy-2-(1-methoxybenzyl)-2,6-dimethylbenzofuran-3-one