1,3-Dihydro-3-methyl-3-(1-piperidinyl)-2H-indol-2-one 2H-INDOL-2-ONE, 1,3-DIHYDRO-3-METHYL-3-(1-PIPERIDINYL)- 3-Methyl-3-piperidinooxindole 5-22-12-00576 (Beilstein Handbook Reference) 55490-24-9 BRN 0483599