123377-20-8 1H-Imidazolium, 2-(1H-benzotriazol-1-yloxy)-4,5-dihydro-1,3-dimethyl-, hexafluorophosphate(1-) 2-(Benzotriazol-1-yl)oxy-1,3-dimethylimidazolidinium Boi hexafluorophosphate