preferred_name: 3-methyl-2-oxobutanoate + H2O => 2,3-dihydroxy-3-methylbutanoate
preferred_name_lc: 3-methyl-2-oxobutanoate + h2o => 2,3-dihydroxy-3-methylbutanoate
label: 3-methyl-2-oxobutanoate + H2O => 2,3-dihydroxy-3-methylbutanoate
label_lc: 3-methyl-2-oxobutanoate + h2o => 2,3-dihydroxy-3-methylbutanoate