hydrogencarbonate(in) + Na(+)(in) = hydrogencarbonate(out) + Na(+)(out)
hydrogencarbonate(in) + na(+)(in) = hydrogencarbonate(out) + na(+)(out)
hydrogencarbonate(in) + Na(+)(in) = hydrogencarbonate(out) + Na(+)(out)
hydrogencarbonate(in) + na(+)(in) = hydrogencarbonate(out) + na(+)(out)