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 => 2-aryl-2-methylmalonate + h(+)