InChI=1/C21H31N3O3/c1-16(2)27-19-11-7-6-10-18(19)22-21(26)24-14-12-23(13-15-24)20(25)17-8-4-3-5-9-17/h6-7,10-11,16-17H,3-5,8-9,12-15H2,1-2H3,(H,22,26)/f/h22H 2219A0C6D90E5E61