3-(3-benzoylpropyl)-6-(p-tolyl)-1,2,4,5-tetroxan

pentaoxabicycloundecane

4-苯甲酰基丁酸甲酯

7,8,15,16-四氧杂二螺(5.2.5.2)十六烷

(7S)-1-phenyl-2,3,5,6,11-pentaoxaspiro[bicyclo[5.3.1]undecane-4,1'-cyclohexane]