1H-indene-2-carboxylic acid, 2,3-dihydro-5,7-dimethyl-1-oxo-, methyl ester InChI=1/C13H14O3/c1-7-4-8(2)11-9(5-7)6-10(12(11)14)13(15)16-3/h4-5,10H,6H2,1-3H methyl 5,7-dimethyl-1-oxoindane-2-carboxylate