hydrogencarbonate + NH4(+) = carbamate + H2O + H(+)
hydrogencarbonate + nh4(+) = carbamate + h2o + h(+)
hydrogencarbonate + NH4(+) = carbamate + H2O + H(+)
hydrogencarbonate + nh4(+) = carbamate + h2o + h(+)