preferred_name: H2 + a ubiquinone + 2 H(+)(in) = a ubiquinol + 2 H(+)(out)
preferred_name_lc: h2 + a ubiquinone + 2 h(+)(in) = a ubiquinol + 2 h(+)(out)
label: H2 + a ubiquinone + 2 H(+)(in) = a ubiquinol + 2 H(+)(out)
label_lc: h2 + a ubiquinone + 2 h(+)(in) = a ubiquinol + 2 h(+)(out)