InChI=1/C16H23N3O2/c1-5-11(17)15-18-12-7-9(3)10(4)8-14(12)19(15)13(6-2)16(20)21/h7-8,11,13H,5-6,17H2,1-4H3,(H,20,21)/t11-,13-/m1/s1/f/h17H 64DF06113EE1393D