Carpachromene

5-Hydroxy-8-(4-hydroxyphenyl)-2,2-dimethyl-2H,6H-benzo[1,2-b:5,4-b']dipyran-6-one

2-(4-Hydroxyphenyl)-5-hydroxy-8,8-dimethyl-4H,8H-benzo[1,2-b:5,4-b']dipyran-4-one