InChI=1/C12H13ClO4/c1-8(12(15)16-2)11(17-7-14)9-3-5-10(13)6-4-9/h3-8,11H,1-2H benzenepropanoic acid, 4-chloro-beta-(formyloxy)-alpha-methyl-, methyl ester methyl 3-(4-chlorophenyl)-3-(formyloxy)-2-methylpropanoate