InChI=1/C18H21N3O3/c1-13(22)12-19-18(24)16(11-15-9-6-10-21(15)2)20-17(23)14-7-4-3-5-8-14/h3-11,13,22H,12H2,1-2H3,(H,19,24)(H,20,23)/b16-11+/t13-/m1/s1/f/h19-20H 67906EB7A466A969