Organic IntermediateChina 2- (1H-Benzotriazole-1-yl) -1, 1, 3, 3-Tetramethyluronium Hexafluorophosphate CAS 94790-37-1, Find details about China Hbtu, C11h16n5o. PF6/C11h16f6n5op from 2- (1H-Benzotriazole-1-yl) -1, 1, 3, 3-Tetramethyluronium Hexafluorophosphate CAS 94790-37-1