1H-Inden-1-one, 2,3-dihydro-5-fluoro-2-((4-phenyl-1-piperazinyl)methylene)- 2,3-Dihydro-5-fluoro-2-((4-phenyl-1-piperazinyl)methylene)-1H-inden-1-one 5-23-02-00225 (Beilstein Handbook Reference) 65201-38-9 BRN 0821436