1,3-Dihydro-3-(1,3-dihydro-1-methyl-3-oxo-2H-indol-2-ylidene)-1-methyl-2H-indol-2-one 2H-Indol-2-one, 1,3-dihydro-3-(1,3-dihydro-1-methyl-3-oxo-2H-indol-2-ylidene)-1-methyl- 83156-39-2 BRN 5095924