2-aryl-2-methylmalonate + H(+) => 2-arylpropionate + CO2
2-aryl-2-methylmalonate + h(+) => 2-arylpropionate + co2
2-aryl-2-methylmalonate + H(+) => 2-arylpropionate + CO2
2-aryl-2-methylmalonate + h(+) => 2-arylpropionate + co2