5-chloro-3,4-dimethoxy-2-nitrobenzaldehyde InChI=1/C9H8ClNO5/c1-15-8-6(10)3-5(4-12)7(11(13)14)9(8)16-2/h3-4H,1-2H benzaldehyde, 5-chloro-3,4-dimethoxy-2-nitro-