1,3-Dioxo-.alpha.-(4-hydroxy-3-nitrobenzyl)-2-isoindolineacetic acid 2-Isoindolineacetic acid, 1,3-dioxo-.alpha.-(4-hydroxy-3-nitrobenzyl)- 2H-Isoindole-2-acetic acid, 1,3-dihydro-.alpha.-[(4-hydroxy-3-nitrophenyl)methyl]-1,3-dioxo- 73837-59-9 NSC106920