119457-12-4 3H-Pyrazol-3-one, 2,4-dihydro-2-((2-chloro-6H-indolo(2,3-b)quinoxalin-6-yl)acetyl)-5-methyl-4-(phenylmethylene)- 3H-Pyrazol-3-one, 2-((2-chloro-6H-indolo(2,3-b)quinoxalin-6-yl)acetyl)-2,4-dihydro-5-methyl-4-(phenylmethylene)-