InChI=1/C18H17N3O3/c1-9-3-6-13(15(22)7-9)19-17(23)12-8-14(11-4-5-11)20-18-16(12)10(2)21-24-18/h3,6-8,11,22H,4-5H2,1-2H3,(H,19,23)/f/h19H 9461911C3C7E56C9