preferred_name: 2-methylbutanal + CO2 => (S)-3-methyl-2-oxopentanoate + H(+)
preferred_name_lc: 2-methylbutanal + co2 => (s)-3-methyl-2-oxopentanoate + h(+)
label: 2-methylbutanal + CO2 => (S)-3-methyl-2-oxopentanoate + H(+)
label_lc: 2-methylbutanal + co2 => (s)-3-methyl-2-oxopentanoate + h(+)