- Chemical Name:3,3'-Bis-(triphenyl-λ5-phosphanylidene)-bicyclobutylidene-2,4,2',4'-tetraone
- CAS No.:153968-52-6
- Molecular Formula:C44H30O4P2
- Molecular Weight:684.667
- Hs Code.:
Synonyms:3,3'-Bis-(triphenyl-λ5-phosphanylidene)-bicyclobutylidene-2,4,2',4'-tetraone

