InChI=1/C18H17N3O5/c1-18(2)10-26-15-9-12(6-7-14(15)20-17(18)23)19-16(22)11-4-3-5-13(8-11)21(24)25/h3-9H,10H2,1-2H3,(H,19,22)(H,20,23)/f/h19-20H AC72AB05033E9B2C