Task: Translation
Input (Czech): Způsob přípravy 4-aiylamino-l-alkyl-[l,2,3] triazolo-[4,5-c] bází  podporovanou izomerací 7-alyidamino-3-aryl-[l,2,3]triazolo 4,5-b  pyridinů.
Output (English): Process for preparing 4-amino-1-alkyl- [1,2,3] triazolo [4,5-c] base  supported by 7-allyidamino-3-aryl- [1,2,3] triazolo 4,5-b supported isomerization  pyridines.