4-methoxy-3H-spiro[1-benzofuran-2,1'-cyclohexane]-7-carbaldehyde InChI=1/C15H18O3/c1-17-13-6-5-11(10-16)14-12(13)9-15(18-14)7-3-2-4-8-15/h5-6,10H,2-4,7-9H2,1H spiro[benzofuran-2(3H),1'-cyclohexane]-7-carboxaldehyde, 4-methoxy-