InChI=1S/C17H27N3O2/c1-12-7-9-14(10-8-12)19-20-17(22)16(21)15(18)11-13-5-3-2-4-6-13/h7-10,13,15-16,19,21H,2-6,11,18H2,1H3,(H,20,22)/t15-,16+/m1/s1