InChI=1/C15H17N3O2/c1-18(10-14(19)17-15(16)20)9-12-7-4-6-11-5-2-3-8-13(11)12/h2-8H,9-10H2,1H3,(H3,16,17,19,20)/f/h17H,16H2 0E33DF03857B6903