Synonyms: 2-Isoindolineaceticacid, a-isopropyl-1,3-dioxo-, L- (8CI);2H-Isoindole-2-acetic acid, 1,3-dihydro-a-(1-methylethyl)-1,3-dioxo-, (S)-;(S)-2-(1,3-Dihydro-1,3-dioxo-2H-isoindol-2-yl)-3-methylbutanoic acid;L-N-Phthaloylvaline; N-Phthaloyl-(S)-valine; N-Phthaloyl-L-valine; NSC 22912