1H-benz[e]inden-1-one, 2,3-dihydro-7,8-dimethoxy-2-methyl- 7,8-dimethoxy-2-methyl-2,3-dihydro-1H-cyclopenta[a]naphthalen-1-one InChI=1/C16H16O3/c1-9-6-11-5-4-10-7-13(18-2)14(19-3)8-12(10)15(11)16(9)17/h4-5,7-9H,6H2,1-3H