1-(2,3-dihydro-1,4-benzodioxin-3-ylmethyl)piperidin-4-one

N-苄基哌啶酮

8-(2,3-dihydro-benzo[1,4]dioxin-2-ylmethyl)-1,4-dioxa-8-aza-spiro[4.5]decane

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

2,3-二氢-1,4-苯并二英-2-碳酰氯