1H-1,2,3-benzotriazol-1-ylmethanol 1H-1,2,3-benzotriazole-1-methanol 28539-02-8 InChI=1/C7H7N3O/c11-5-10-7-4-2-1-3-6(7)8-9-10/h1-4,11H,5H