1-Amino-1,3,4-triazole 1-Amino-1H-1,3,4-triazole 4-Amino-1,2,4(4H)-triazole 4-Amino-1,2,4-triazole 4-Amino-4H-1,2,4-triazole 4H-1,2,4-Triazol-4-amine 4H-1,2,4-Triazole, 4-amino- 584-13-4 ATC NSC3263