4-Amino-4H-1,2,4-triazole4-AMINO-1,2,4-TRIAZOLE HYDROCHLORIDE4H-1,2,4-Triazol-4-amine4H-1,2,4-Triazol-4-amine4-氨基-4H-1,2,4-三唑4-Amino-4H-1,2,4-triazole4-氨基-1,2,4-三氮唑1-氨基-1,3,4-三唑1-Amino-1,3,4-triazole4-氨基-4H-1,2,4-三氮唑4-氨基-1,2,4-三唑4-Amino-1,2,4-triazole