3,4-dihydroxybenzoate + NH4(+) => 4-hydroxylaminobenzoate + H2O + H(+)
3,4-dihydroxybenzoate + nh4(+) => 4-hydroxylaminobenzoate + h2o + h(+)
3,4-dihydroxybenzoate + NH4(+) => 4-hydroxylaminobenzoate + H2O + H(+)
3,4-dihydroxybenzoate + nh4(+) => 4-hydroxylaminobenzoate + h2o + h(+)