preferred_name: 2-methylpropanal + CO2 => 3-methyl-2-oxobutanoate + H(+)
preferred_name_lc: 2-methylpropanal + co2 => 3-methyl-2-oxobutanoate + h(+)
label: 2-methylpropanal + CO2 => 3-methyl-2-oxobutanoate + H(+)
label_lc: 2-methylpropanal + co2 => 3-methyl-2-oxobutanoate + h(+)