InChI=1/C16H27N3O/c1-5-17-15-14(10-7-11-18-15)16(20)19-13(4)9-6-8-12(2)3/h7,10-13H,5-6,8-9H2,1-4H3,(H,17,18)(H,19,20)/t13-/m1/s1/f/h17,19H 8BFA26382AD5B23C