crotonobetainyl-CoA + (R)-carnitine = crotonobetaine + (R)-carnitinyl-CoA
crotonobetainyl-coa + (r)-carnitine = crotonobetaine + (r)-carnitinyl-coa
crotonobetainyl-CoA + (R)-carnitine = crotonobetaine + (R)-carnitinyl-CoA
crotonobetainyl-coa + (r)-carnitine = crotonobetaine + (r)-carnitinyl-coa