6,6,9-trimethyl-6a,7,8,10a-tetrahydro-6H-benzo[c]chromen-2-ol 6H-dibenzo[b,d]pyran-2-ol, 6a,7,8,10a-tetrahydro-6,6,9-trimethyl- InChI=1/C16H20O2/c1-10-4-6-14-12(8-10)13-9-11(17)5-7-15(13)18-16(14,2)3/h5,7-9,12,14,17H,4,6H2,1-3H