4-(dimethoxymethyl)-2,5-dipropoxybenzaldehyde InChI=1/C16H24O5/c1-5-7-20-14-10-13(16(18-3)19-4)15(21-8-6-2)9-12(14)11-17/h9-11,16H,5-8H2,1-4H benzaldehyde, 4-(dimethoxymethyl)-2,5-dipropoxy-