InChI=1/C18H14ClNO3/c19-12-7-5-11(6-8-12)17(21)9-14(18(22)23)15-10-20-16-4-2-1-3-13(15)16/h1-8,10,14,20H,9H2,(H,22,23)/p-1/t14-/m0/s1/fC18H13ClNO3/q-1 463D70ABC1CF9E13