7-(4-methoxyphenyl)-2,2-dimethyl-3,4-dihydro-2H,6H-pyrano[3,2-g]chromen-6-one

7-hydroxy-2,2-dimethyl-8-phenyl-3,4,7,8-tetrahydro-2H,6H-pyrano[3,2-g]chromen-6-one

8-(4-methoxyphenyl)-2,2-dimethyl-2H,6H-pyrano[3,2-g]chromen-6-one

8,8-Dimethyl-2-phenyl-7,8-dihydro-6H-pyrano[3,2-g]chromen-4-one

6-(2'-Benzoylacetyl)-3,4-dihydro-7-hydroxy-2,2-dimethyl-2H-1-benzopyran