preferred_name: a ubiquinol + NAD(+) => a ubiquinone + NADH + H(+)
preferred_name_lc: a ubiquinol + nad(+) => a ubiquinone + nadh + h(+)
label: a ubiquinol + NAD(+) => a ubiquinone + NADH + H(+)
label_lc: a ubiquinol + nad(+) => a ubiquinone + nadh + h(+)