Synonyms: NSC139811;AC1L9LOB;Octaphenyltetraphosphonitrile;Octaphenylcyclotetraphosphazene;NSC-139811;2,2,4,4,6,6,8,8-octakis-phenyl-1,3,5,7-tetraza-2;1,5,7,2,4,6,8-Tetrazatetraphosphocine, 2,2,4,4,6,6,8,8-octahydro-2,2,4,4,6,6,8,8-octaphenyl-;992-72-3