1,3,5,2,4,6-Triazatriphosphorine, 2,2,4,4,6,6-hexahydro-2,4,6-tribromo-2,4,6-triphenyl-, cis- 19322-22-6 Tribromotriphenyltriphosphonitrile (cis) cis-2,4,6-Tribromo-2,4,6-triphenyl-2,2,4,4,6,6-hexahydro-1,3,5,2,4,6-triazatriphosphorine