InChI=1/C19H21N3O2/c1-14-17-8-4-9-21(17)13-12-20(14)10-5-11-22-18(23)15-6-2-3-7-16(15)19(22)24/h2-4,6-9,14H,5,10-13H2,1H3/p+1/t14-/m0/s1/fC19H22N3O2/h20H/q+1 12E477B117F7CB4C