preferred_name: propanoyl-CoA + succinate <=> propanoate + succinyl-CoA
preferred_name_lc: propanoyl-coa + succinate <=> propanoate + succinyl-coa
label: propanoyl-CoA + succinate <=> propanoate + succinyl-CoA
label_lc: propanoyl-coa + succinate <=> propanoate + succinyl-coa