3-phenylpyruvate + NH4(+) => L-threo-3-phenylserine
3-phenylpyruvate + nh4(+) => l-threo-3-phenylserine
3-phenylpyruvate + NH4(+) => L-threo-3-phenylserine
3-phenylpyruvate + nh4(+) => l-threo-3-phenylserine