1,4-二氧杂-8-氮杂螺[4.5]癸烷-8-羧酸乙酯

4,4-ethylenedioxy-1-(phenoxycarbonyl)piperidine

4-oxo-piperidine-1-carboxylic acid phenyl ester

8-Methyl-1,4-dioxa-8-azoniaspiro[4.5]decan

1-甲基-4-哌啶酮盐酸盐