InChI=1/C17H21N3/c1-11-8-14-16(13-6-4-3-5-7-13)19-10-20-17(14)15(9-18)12(11)2/h8,10,13,16H,3-7H2,1-2H3,(H,19,20)/t16-/m1/s1/f/h19H B5F90A30A459ECE1