Bis[(S,S,S)-DiazaPhos-SPE]

2,2',2'',2'''-(1,2-PHENYLENEBIS((1S,3S)&

2,2μ,2,2μμμ-(1,2-Phenylenebis[(1S,3S)-tetrahydro-5,8-dioxo-1H-[1,2,4]diazaphospholo[1,2-a]pyridazine-2,1,3(3H)-triyl])tetrakis(N-[(1S)-1-phenylethyl])benzamide