2820-40-8 2H-Isoindole-2-butanoic acid, gamma-(aminocarbonyl)-1,3-dihydro-1,3-dioxo- 4-Phthalimidoglutaramic acid 4292-56-2 BA 2737 Glutaramic acid, 4-phthalimido- gamma-(Aminocarbonyl)-1,3-dihydro-1,3-dioxo-2H-isoindole-2-butanoic acid