InChI=1/C15H25N3O/c1-4-8-12(6-3)18-15(19)13-9-7-11-17-14(13)16-10-5-2/h7,9,11-12H,4-6,8,10H2,1-3H3,(H,16,17)(H,18,19)/t12-/m1/s1/f/h16,18H 0AA2496518C16BC8