Butanoyl-CoA+FAD<=>Crotonoyl-CoA+FADH2 (Bos taurus)
butanoyl-coa+fad<=>crotonoyl-coa+fadh2 (bos taurus)
Butanoyl-CoA+FAD<=>Crotonoyl-CoA+FADH2 (Bos taurus)
butanoyl-coa+fad<=>crotonoyl-coa+fadh2 (bos taurus)