InChI=1/C21H37N3O2/c1-5-20(2,3)16-11-13-21(14-12-16)18(25)24(19(26)22-21)15-23(4)17-9-7-6-8-10-17/h16-17H,5-15H2,1-4H3,(H,22,26)/f/h22H 3E1B197200C72DDD