14630-49-0
1,3-diphenyl-3-(triphenylphosphoranylidene)propan-1-one
60-29-7
乙醚
118171-56-5
trans-3,6-dimethyl-1,2,4,5-tetroxane
878801-17-3
[(benzylsulfonyl)(4-cyanophenyl)methylene](triphenyl)phosphorane
22610-15-7
(triphenylphosphoranylidene-hydrazono)-acetic acid ethyl ester

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