InChI=1/C18H10ClNO6/c19-13-8-9(4-7-15(13)21)18(23)12-5-6-14(20(24)25)10-2-1-3-11(16(10)12)17(22)26-18/h1-8,21,23H/t18-/m0/s1 49B68CAA276EA0CA