InChI=1/C16H29N3O2/c1-12-8-4-5-9-14(12)18-16(21)17-13(2)15(20)19-10-6-3-7-11-19/h12-14H,3-11H2,1-2H3,(H2,17,18,21)/t12-,13-,14-/m0/s1/f/h17-18H B1F8485632B51F44