1-[(1E)-1-ethoxyprop-1-en-1-yl]-1H-1,2,3-benzotriazole 1H-1,2,3-benzotriazole, 1-[(1E)-1-ethoxy-1-propenyl]- InChI=1/C11H13N3O/c1-3-11(15-4-2)14-10-8-6-5-7-9(10)12-13-14/h3,5-8H,4H2,1-2H3/b11-3