1H-Inden-1-one, 2,3-dihydro-4-chloro-2-((4-phenyl-1-piperazinyl)methylene)- 2,3-Dihydro-4-chloro-2-((4-phenyl-1-piperazinyl)methylene)-1H-inden-1-one 34924-83-9 5-23-02-00226 (Beilstein Handbook Reference) BRN 0893612 NSC 277480