InChI=1/C18H15NO5/c1-22-18(21)11-4-2-10(3-5-11)12-7-17(20)19-14-8-16-15(6-13(12)14)23-9-24-16/h2-6,8,12H,7,9H2,1H3,(H,19,20)/t12-/m0/s1/f/h19H 58E3B5F55423F103