(2R)-2,3-dihydroxy-3-methylbutanoate = 3-methyl-2-oxobutanoate + H2O
(2r)-2,3-dihydroxy-3-methylbutanoate = 3-methyl-2-oxobutanoate + h2o
(2R)-2,3-dihydroxy-3-methylbutanoate = 3-methyl-2-oxobutanoate + H2O
(2r)-2,3-dihydroxy-3-methylbutanoate = 3-methyl-2-oxobutanoate + h2o