2-Pyrrolidinone, 5-((4-fluorophenyl)methyl)-3,3-dimethyl- 5-((4-Fluorophenyl)methyl)-3,3-dimethyl-2-pyrrolidinone 97561-78-9 Dimethyl-3,3 (fluoro-4 phenyl)methyl-5 pyrrolidinone-2 [French] SR 41293