8-氧代-1,4-二噁螺[4.5]癸烷-7-羧酸甲酯

8-([1,1'-biphenyl]-4-yl)-1,4-dioxaspiro[4.5]dec-7-ene

4-acetoxy-9-carboxamido-3,4-dihydro-1H-acridin-2-one ethylene acetal

N-(1,4-dioxaspiro-[4,5]-decan-8-yliden)-methanamine