InChI=1/C17H21N3O2/c1-11-5-3-8-15(12(11)2)20-17(22)16(21)19-14-7-4-6-13(9-14)10-18/h4,6-7,9,11-12,15H,3,5,8H2,1-2H3,(H,19,21)(H,20,22)/t11-,12-,15+/m1/s1/f/h19-20H C910BF1BC0080B2B