4-guanidinobutanoate + NH4(+) => 4-guanidinobutanamide + H2O
4-guanidinobutanoate + nh4(+) => 4-guanidinobutanamide + h2o
4-guanidinobutanoate + NH4(+) => 4-guanidinobutanamide + H2O
4-guanidinobutanoate + nh4(+) => 4-guanidinobutanamide + h2o