(2E)-3-(2-methyl-3-oxocyclopent-1-en-1-yl)acrylaldehyde 2-propenal, 3-(2-methyl-3-oxo-1-cyclopenten-1-yl)-, (2E)- InChI=1/C9H10O2/c1-7-8(3-2-6-10)4-5-9(7)11/h2-3,6H,4-5H2,1H3/b3-2