InChI=1/C21H22N2O4/c1-13-11-20(25)27-19-12-16(7-10-18(13)19)23-21(26)22-14(2)3-4-15-5-8-17(24)9-6-15/h5-12,14,24H,3-4H2,1-2H3,(H2,22,23,26)/t14-/m1/s1/f/h22-23H	B7D721A8C2A87031