Pharmaceutical IntermediateChina White to off White Crystal; 1-[Bis (dimethylamino) Methylene]-1h-1, 2, 3-Triazolo[4, 5-B]Pyridinium 3-Oxide Tetrafluoroborate; Tatu; CAS No. 873798-09-5, Find details about China GMP/Eugmp/Written Confirmation/Cep/ISO/Kosher, High Quality from White to off White Crystal; 1-[Bis (dimethylamino) Methylene]-1h-1, 2, 3-Triazolo[4, 5-B]Pyridinium 3-Oxide Tetrafluoroborate; Tatu; CAS No. 873798-09-5