1H,5H-s-Triazolo(1,2-a)-s-triazol-1-one, 3,5,7-triimino- 3,5,7-Triimino-1H,5H-s-triazolo(1,2-a)-s-triazol-1-one 4-26-00-03978 (Beilstein Handbook Reference) 73908-93-7 BRN 0181388 Iminourazoguanazole