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