preferred_name: pregnan-21-al + NADH + H(+) => pregnan-21-ol + NAD(+)
preferred_name_lc: pregnan-21-al + nadh + h(+) => pregnan-21-ol + nad(+)
label: pregnan-21-al + NADH + H(+) => pregnan-21-ol + NAD(+)
label_lc: pregnan-21-al + nadh + h(+) => pregnan-21-ol + nad(+)