InChI=1/C15H19N3O2/c19-14(17-15(20)16-13-5-6-13)10-18-8-7-11-3-1-2-4-12(11)9-18/h1-4,13H,5-10H2,(H2,16,17,19,20)/f/h16-17H 188336C7BE1FEE19