2-(o-Carboxybenzamido) glutaric acid 2-(o-Carboxybenzamido)-L-glutamic acid 3227-01-8 L-Glutamic acid, N-(2-carboxybenzoyl)- N,N-Phthaloyl-L-glutamic acid N-Phthalamoyl-L-glutamic acid N-Phthaloyl-L-glutamic acid N-Phthaloylglutamic acid PhGA Phthaloyl glutamic acid Phthaloylglutamic acid alpha-N-Phthaloylglutamic acid