InChI=1/C16H27N3O/c1-5-9-17-15-11-14(8-10-18-15)16(20)19-13(4)7-6-12(2)3/h8,10-13H,5-7,9H2,1-4H3,(H,17,18)(H,19,20)/t13-/m1/s1/f/h17,19H 8BFB4CC6A4F4B929