1,3-cyclohexadiene-1-carboxaldehyde, 2-chloro-3-ethyl- 2-chloro-3-ethylcyclohexa-1,3-diene-1-carbaldehyde InChI=1/C9H11ClO/c1-2-7-4-3-5-8(6-11)9(7)10/h4,6H,2-3,5H2,1H