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