preferred_name: Fe(2+)(in) + 2 hydrogencarbonate(in) => Fe(2+)(out) + 2 hydrogencarbonate(out)
preferred_name_lc: fe(2+)(in) + 2 hydrogencarbonate(in) => fe(2+)(out) + 2 hydrogencarbonate(out)
label: Fe(2+)(in) + 2 hydrogencarbonate(in) => Fe(2+)(out) + 2 hydrogencarbonate(out)
label_lc: fe(2+)(in) + 2 hydrogencarbonate(in) => fe(2+)(out) + 2 hydrogencarbonate(out)