3,4,5-trimethyl-5,6-dihydronaphtho[2,3-b]furan InChI=1/C15H16O/c1-9-5-4-6-12-7-13-15(10(2)8-16-13)11(3)14(9)12/h4,6-9H,5H2,1-3H naphtho[2,3-b]furan, 5,6-dihydro-3,4,5-trimethyl-