InChI=1/C17H17N3O4/c21-15-6-7-18-9-14(15)20-16(22)10-24-13-3-1-2-12(8-13)19-17(23)11-4-5-11/h1-3,6-9,11H,4-5,10H2,(H,18,21)(H,19,23)(H,20,22)/f/h18-20H B42307BD5BC8BB47