1H-1,2,4-Triazole-3,5-13C2 is the labeled analog of 1,2,4-Triazole (T767410), which is present in a large variety of fungicides as C14-demethylase-inhibitors. In addition they are used in synthetic chemical reactions such as the design and preparation of ghrelin receptor ligand antagonists, like JMV 2959.
