1H-Inden-1-one, 2,3-dihydro-4-fluoro-2-((4-phenyl-1-piperazinyl)methylene)- 2,3-Dihydro-4-fluoro-2-((4-phenyl-1-piperazinyl)methylene)-1H-inden-1-one 5-23-02-00225 (Beilstein Handbook Reference) 65201-44-7 BRN 0826491