InChI=1/C15H21N3O2/c1-2-10-3-5-18(6-4-10)13-8-12-14(7-11(13)16)20-9-15(19)17-12/h7-8,10H,2-6,9,16H2,1H3,(H,17,19)/f/h17H 9BB366EE535ECB54