Preparation and X-Ray Structure of 3,4,8-Tris(T-Butyl)- 1,6-Bis(4-Trifluormethylphenyl)-2,5,7,9-Tetraza-3λ3, 4λ58λ3-Triphospha [4.3.0]Bicyclonona-1,4,6-Trien (4). Study of the Thermal Stability of4, and two Other Ci- Clocarbophosphazenes | Publicación