InChI=1/C16H25N3O/c17-10-14-7-4-8-19(14)16(20)15-9-13(11-18-15)12-5-2-1-3-6-12/h12-15,18H,1-9,11H2/p+1/t13-,14-,15-/m0/s1/fC16H26N3O/h18H/q+1 21E19698B1C214D9