InChI=1/C17H19N3O2/c21-17(16-13-4-2-1-3-5-15(13)22-20-16)19-12-6-7-14-11(10-12)8-9-18-14/h6-10,14,16,20H,1-5H2,(H,19,21)/t14-,16-/m1/s1/f/h19H 8F21E7B30C6659B8