InChI=1/C16H27N3O2/c1-4-9-17-15-14(8-7-10-18-15)16(21)19(11-12-20)13(5-2)6-3/h7-8,10,13,20H,4-6,9,11-12H2,1-3H3,(H,17,18)/f/h17H 8C98065027394608