1-(spiro[1,3-benzodioxole-2,4'-piperidine]-1-yl)ethan-1one

ethyl spiro[1,3-benzodioxole-2,4'-piperidine]-1'-carboxylate

N-乙酰基-4-哌啶酮

邻苯二酚

N-乙氧羰基-4-哌啶酮