三氮唑是指分子式为C2H3N3的杂环化合物，有两个碳原子和三个氮原子组成的五元环。在三个氮原子的相对位置上有两组异构体不同。
4-(4H-1,2,4-Triazol-4-yl)aniline
4-Phenyl-4H-1,2,4-triazole
3-(4H-1,2,4-Triazol-4-yl)aniline
2-(4-(4H-1,2,4-Triazol-4-yl)phenyl)acetic acid
N-(3-(4H-1,2,4-Triazol-4-yl)phenyl)acetamide
5-Methyl-4H-1,2,4-triazol-3-amine hydrochloride
5-tert-Butyl-4H-[1,2,4]triazol-3-ylamine
2-((4H-1,2,4-Triazol-3-yl)thio)acetic acid
4H-1,2,4-Triazole-3-sulfonyl chloride
3,5-Dimethyl-4H-1,2,4-triazole
5-Isopropyl-4H-1,2,4-triazol-3-amine
[1,2,4]Triazolo[1,5-a]pyrazin-2-amine
8-Chloro[1,2,4]triazolo[1,5-a]pyrazine
6,8-Dibromo-[1,2,4]triazolo[1,5-a]pyrazine
8-Chloro-[1,2,4]triazolo[1,5-a]pyrazin-2-amine
5,8-Dibromo[1,2,4]triazolo[1,5-a]pyrazine
2-(Trifluoromethyl)-[1,2,4]triazolo[1,5-a]pyrazine
6-Bromo[1,2,4]triazolo[1,5-a]pyrazine
[1,2,4]Triazolo[1,5-a]pyrazine
6,8-Dichloro-[1,2,4]triazolo[1,5-a]pyrazine
2-(4-Bromophenyl)-2H-1,2,3-triazole
4-(2H-1,2,3-Triazol-2-yl)benzaldehyde
4-Fluoro-2-(2H-1,2,3-triazol-2-yl)benzoic acid
5-Methyl-2-(2H-1,2,3-triazol-2-yl)benzoic acid
4-(3,5-Dimethyl-1H-1,2,4-triazol-1-yl)benzoic acid
2-Chloro-N-(5-chloro-2-(1H-1,2,4-triazol-1-yl)phenyl)acetamide
4-(1,2,4-Triazol-1-yl)aniline
5-Fluoro-2-(1H-1,2,4-triazol-1-yl)aniline
2-(1,2,4-Triazol-1-yl)aniline
1-(4-Nitrophenyl)-1H-1,2,4-triazole
