The molecule is an organic heterotetracyclic compound that is -6a,7-dihydrobenzo[b]indeno[1,2-d]pyran-9-one carrying four hydroxy substituents at positions 3, 4, 6a and 10. It has a role as a histological dye. It is an enol, an organic heterotetracyclic compound, a member of phenols, a member of quinomethanes and a tertiary alcohol.
4,6a,9,10-tetrahydroxy-6,7-dihydroindeno[2,1-c]chromen-3-one