preferred_name: (2S)-2-acetolactate => 3-hydroxy-3-methyl-2-oxobutanoate
preferred_name_lc: (2s)-2-acetolactate => 3-hydroxy-3-methyl-2-oxobutanoate
label: (2S)-2-acetolactate => 3-hydroxy-3-methyl-2-oxobutanoate
label_lc: (2s)-2-acetolactate => 3-hydroxy-3-methyl-2-oxobutanoate