3,4,6a,10-Tetrahydroxy-6a,7-dihydrobenz(b)indeno(1,2-d)pyran-9(6H)-one 4-18-00-03343 (Beilstein Handbook Reference) 475-25-2 53986-81-5 6a,7-Dihydro-3,4,6a,10-tetrahydroxybenz(b)indeno(1,2-d)pyran-9(6H)-one AI3-63013 BRN 0093039 Benz(b)indeno(1,2-d)pyran-9(6H)-one, 6a,7-dihydro-3,4,6a,10-tetrahydroxy- EINECS 207-492-8 HEMATEIN Haematein Hematine NSC 7333