Irbesartan Hydroxy N2-Trityl Impurity; Losartan Hydroxy N2-Trityl Impurity ; N2-Trityl Candesartan Hydroxy Impurity

Irbesartan Hydroxy N2-Trityl Impurity; Losartan Hydroxy N2-Trityl Impurity ; N2-Trityl Candesartan Hydroxy Impurity

5-(4'-(Hydroxymethyl)(1,1'-biphenyl)-2-yl)-2-trityl-2H-tetrazole

Impurity reference standard used for related substances testing of Irbesartan drug substance and drug product per pharmacopoeial limits.