1,3-Dihydroindol-2-one indolin-2-one 2-Indolinone Oxindole AH-034/32845032 InChI=1/C8H7NO/c10-8-5-6-3-1-2-4-7(6)9-8/h1-4H,5H2,(H,9,10 ZINC00058282 O9808_ALDRICH CHEBI:31697 SBB004215 C12312 2-Oxoindoline Indol-2(3H)-one NSC274863 Oxindol 57260_FLUKA