1-cyclohexene-1-carboxaldehyde, 2-methyl-3-oxo- 2-methyl-3-oxocyclohex-1-ene-1-carbaldehyde InChI=1/C8H10O2/c1-6-7(5-9)3-2-4-8(6)10/h5H,2-4H2,1H