- Chemical Name:(S,S,S,S)-3,4-bis(2-diphenylphosphinylphenyl)-1,2-cyclobutanedimethyl di(diphenylphosphine)
- CAS No.:946611-37-6
- Molecular Formula:C66H56O2P4
- Molecular Weight:1005.06
- Hs Code.:
Synonyms:(S,S,S,S)-3,4-bis(2-diphenylphosphinylphenyl)-1,2-cyclobutanedimethyl di(diphenylphosphine)

