InChI=1/C21H28N2O4/c24-18(14-21(20(26)27)12-4-5-13-21)22-17-10-8-15(9-11-17)19(25)23-16-6-2-1-3-7-16/h8-11,16H,1-7,12-14H2,(H,22,24)(H,23,25)(H,26,27)/p-1/fC21H27N2O4/h22-23H/q-1 0938A90001D7D769