preferred_name: L-iditol + NAD(+) <=> keto-L-sorbose + NADH + H(+)
preferred_name_lc: l-iditol + nad(+) <=> keto-l-sorbose + nadh + h(+)
label: L-iditol + NAD(+) <=> keto-L-sorbose + NADH + H(+)
label_lc: l-iditol + nad(+) <=> keto-l-sorbose + nadh + h(+)