2'-(1H-四唑-5-基)-1,1'-联苯-4-甲醛

2'-(1H-Tetrazol-5-yl)-1,1'-biphenyl-4-carboxaldehyde is an impurity of Losartan Potassium, an angiotensin II antagonist and is commonly used to significantly reduce risk of new onset atrial fibrillation and associated stroke in high-risk patients.