3-hydroxy-3-methyl-2-oxobutanoate => (2S)-2-acetolactate
3-hydroxy-3-methyl-2-oxobutanoate => (2s)-2-acetolactate
3-hydroxy-3-methyl-2-oxobutanoate => (2S)-2-acetolactate
3-hydroxy-3-methyl-2-oxobutanoate => (2s)-2-acetolactate