3-(1,3-Dioxo-1,3-dihydro-2H-isoindol-2-yl)-propanoic acid3-(1,3-dioxo-1,3-dihydro-2H-isoindol-2-yl)propanoic acid3-(1,3-dioxoisoindolin-2-yl)propanoic acid3-苯二(甲)酰亚氨基丙酸3-Phthalimidopropionic acidN-Phthaloyl-beta-alanine3-(1,3-Dihydro-1,3-dioxo-2H-isoindol-2-yl)propanoic acid 98%N-(2-Carboxyethyl)phthalimide3-(1,3-Dioxoisoindolin-2-yl)propanoic acid3-PHTHALIMIDOPROPIONIC ACID3-(1,3-dioxo-2,3-dihydro-1H-isoindol-2-yl)propanoic acid