InChI=1/C21H31N5O4/c27-19(22-7-6-21(29)26-12-14-30-15-13-26)16-24-8-10-25(11-9-24)17-20(28)23-18-4-2-1-3-5-18/h1-5H,6-17H2,(H,22,27)(H,23,28)/f/h22-23H 3B91BD9D9B78E54C