5-isoxazolecarboxylic acid, 4,5-dihydro-3,5-dimethyl-, ethyl ester InChI=1/C8H13NO3/c1-4-11-7(10)8(3)5-6(2)9-12-8/h4-5H2,1-3H ethyl 3,5-dimethyl-4,5-dihydroisoxazole-5-carboxylate