2110-78-3 Lactic acid, 2-methyl-, methyl ester Methyl .alpha.-hydroxyisobutyrate Methyl 2-hydroxy-2-methylpropionate Methyl 2-hydroxyisobutyrate Methyl 2-methyllactate NSC9381 Propanoic acid, 2-hydroxy-2-methyl-, methyl ester