InChI=1/C16H21N3O2/c20-16-19(13-6-1-2-7-13)14-10-18(11-15(14)21-16)9-12-5-3-4-8-17-12/h3-5,8,13-15H,1-2,6-7,9-11H2/t14-,15+/m0/s1 C0FC5E7BDD7D415A