Synonyms: 1-TERT-BUTYL-4,4,4-TRIS(DIMETHYLAMINO)-2,2-BIS[TRIS(DIMETHYLAMINO) PHOSPHORANYLIDE-NAMINO]-2LAMBDA5,4LAMBDA5-CATENADI(PHOSPHAZENIUM) BF4;PHOSPHAZENE BASE P4-T-BU TETRAFLUOROBORATE SALT;1-tert-butyl-4,4,4-tris(dimethylamino)-2,2-bis[tris(dimethylamino)-phosphoranylidenamino]-2Λ5,4Λ5-catenadi(phosphazenium) tetrafluoroborate salt;1-tert-Butyl-4,4,4-tris(dimethylamino)-2,2-bis[tris(dimethylamino)-phosphoranylidenamino]-2Λ:5,4Λ:5-catenadi(phosphazenium) tetrafluoroborate salt