InChI=1/C16H23N3O3/c1-3-22-18-15(20)13-7-5-9-19(11-13)16(21)17-14-8-4-6-12(2)10-14/h4,6,8,10,13H,3,5,7,9,11H2,1-2H3,(H,17,21)(H,18,20)/t13-/m1/s1/f/h17-18H B08A41DA74C2CE5A