1-isopropyl-1H-1,2,3-benzotriazole 1H-1,2,3-benzotriazole, 1-(1-methylethyl)- InChI=1/C9H11N3/c1-7(2)12-9-6-4-3-5-8(9)10-11-12/h3-7H,1-2H