(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