(3S)-3-hydroxybutanoyl-CoA => 2-hydroxyisobutanoyl-CoA
(3s)-3-hydroxybutanoyl-coa => 2-hydroxyisobutanoyl-coa
(3S)-3-hydroxybutanoyl-CoA => 2-hydroxyisobutanoyl-CoA
(3s)-3-hydroxybutanoyl-coa => 2-hydroxyisobutanoyl-coa