1-(Tetrahydro-N,N-dimethyl-5-oxo-2,2-diphenyl-3-furanecarbonyl)piperidine

哌啶

2-oxo-5,5-diphenyltetrahydro-4-furancarboxylic acid

5-oxo-2,2-diphenyltetrahydrofuran-3-carbonyl chloride

苯基锂