环庚烷甲醛

环辛酮

3-oxo-N-phenyl-7,8-diazatricyclo<4.2.2.02,5>dec-9-ene-7,8-dicarboximide

苯乙醛

2-phenyl-hexahydro-5,7-etheno-cyclopropa[d][1,2,4]triazolo[1,2-a]pyridazine-6-carbaldehyde