oxalate(in) + 2 hydrogencarbonate(out) => oxalate(out) + 2 hydrogencarbonate(in)
oxalate(in) + 2 hydrogencarbonate(out) => oxalate(out) + 2 hydrogencarbonate(in)
oxalate(in) + 2 hydrogencarbonate(out) => oxalate(out) + 2 hydrogencarbonate(in)
oxalate(in) + 2 hydrogencarbonate(out) => oxalate(out) + 2 hydrogencarbonate(in)