InChI=1S/C12H25N3O3/c1-8(2)7-10(12(17)18)15-11(16)9(14)5-3-4-6-13/h8-10H,3-7,13-14H2,1-2H3,(H,15,16)(H,17,18)/t9-,10-/m0/s1