874919-46-7 1,3,5,2,4,6-Triazatriphosphorine,2,2,4,4,6,6-hexakis[4-[[[bis[4-(phosphonomethyl)phenoxy]phosphinothioyl]methylhydrazono]methyl]phenoxy]-2,2,4,4,6,6-hexahydro- 874947-53-2 9,9'-Spirobi[9H-fluorene]-2,2',7,7'-tetramine,N,N,N',N',N'',N'',N''',N'''-octakis[4-[bis(1-methylethyl)amino]phenyl]-