2-dehydropantoate <=> 3-methyl-2-oxobutanoate + formaldehyde
2-dehydropantoate <=> 3-methyl-2-oxobutanoate + formaldehyde
2-dehydropantoate <=> 3-methyl-2-oxobutanoate + formaldehyde
2-dehydropantoate <=> 3-methyl-2-oxobutanoate + formaldehyde