(R)-alpha-((Aminocarbonyl)amino)benzeneacetic acid 6489-76-5 Benzeneacetic acid, alpha-((aminocarbonyl)amino)-, (R)- N-Carbamoylphenylglycine N-Carbamyl(phenyl)glycine N-Carbamyl-D-phenylglycine alpha-((Aminocarbonyl)amino)phenylacetic acid