(3S)-3-hydroxybutanoyl-CoA => (3R)-3-hydroxybutanoyl-CoA
(3s)-3-hydroxybutanoyl-coa => (3r)-3-hydroxybutanoyl-coa
(3S)-3-hydroxybutanoyl-CoA => (3R)-3-hydroxybutanoyl-CoA
(3s)-3-hydroxybutanoyl-coa => (3r)-3-hydroxybutanoyl-coa