19065-92-0 4-Carboxyphenylglycylaminoacetonitrile Benzoic acid, 4-((2-((cyanomethyl)amino)-2-oxoethyl)amino)- Carboxyphenyl glycyl aminoacetonitrile N-(N-(4-Carboxyphenyl)glycyl)aminoacetonitrile p-Carboxyphenylglycylaminoacetonitrile