InChI=1/C18H21N3O3/c1-12(2)10-19-17(23)9-18(24)21-20-11-15-14-6-4-3-5-13(14)7-8-16(15)22/h3-8,11-12,20H,9-10H2,1-2H3,(H,19,23)(H,21,24)/b15-11+/f/h19,21H 1F92EB5943D2F026