InChI=1/C22H22N2O4/c1-22(2)27-19-10-9-17(12-20(19)28-22)24-21(26)23-13-18(25)16-8-7-14-5-3-4-6-15(14)11-16/h3-12,18,25H,13H2,1-2H3,(H2,23,24,26)/t18-/m1/s1/f/h23-24H	71F84A173A2052E6