4-[(1,3-dihydro-1,3,3-trimethyl-2H-indol-2-ylidene)ethylidene]-2,4-dihydro-5-methyl-2-phenyl-3H-pyrazol-3-one, 5-METHYL-2-PHENYL-4-[2-(1,3,3-TRIMETHYL-1,3-DIHYDRO-2H-INDOL-2-YLIDENE)ETHYLIDENE]-2,4-DIHYDRO-3H-PYRAZOL-3-ONE, 5-methyl-2-phenyl-4-[(1,3,3-trimethyl-indolin-2-yliden)-ethylidene]-2,4-dihydro-pyrazol-3-one, 5-Methyl-2-phenyl-4-[(1,3,3-trimethyl-indolin-2-yliden)-aethyliden]-2,4-dihydro-pyrazol-3-on,