InChI=1/C16H25N3O2/c1-4-6-7-12(5-2)16(20)18-14-10-13(15(17)19-21)9-8-11(14)3/h8-10,12,21H,4-7H2,1-3H3,(H2,17,19)(H,18,20)/t12-/m1/s1/f/h18H,17H2/b19-15+ B6AB0DDDD790E103