InChI=1/C16H23N3O2/c1-2-15-11-13(7-10-21-15)18-12-3-5-14(6-4-12)19-9-8-17-16(19)20/h3-6,13,15,18H,2,7-11H2,1H3,(H,17,20)/t13-,15+/m0/s1/f/h17H BF32A18F0FB77F0C