2-(3,4-dihydroxyphenyl)-3,5-dihydroxy-10-(4-prop-2-ynoxyphenyl)-9,10-dihydropyrano[2,3-h]chromene-4,8-dione

2-(3,4-dihydroxyphenyl)-3,5-dihydroxy-10-(4-prop-2-ynoxyphenyl)-9,10-dihydropyrano[2,3-h]chromene-4,8-dione · CAS 1574380-07-6