(1H-Benzotriazol-1-yloxy)-tris(dimethylamino)phosphonium hexafluorophosphate(1-) 56602-32-5 56602-33-6 CCRIS 2602 EINECS 260-279-1 Phosphorus(1++), (1-hydroxy-1H-benzotriazolato-O)tris(N-methylmethanaminato)-, (beta-4)-, hexafluorophosphate(1-) Tri(dimethylamino)benzotriazol-1-yloxyphosphonium hexafluorophosphate