InChI=1/C14H21N3O2/c15-11-5-7-12(8-6-11)16-14(19)17-9-1-3-13(17)4-2-10-18/h5-8,13,18H,1-4,9-10,15H2,(H,16,19)/t13-/m0/s1/f/h16H 5544065E67DD454E