InChI=1/C17H18N4O4/c22-15-6-3-9-18-16(15)19-17(23)12-7-10-20(11-8-12)13-4-1-2-5-14(13)21(24)25/h1-6,9,12,22H,7-8,10-11H2,(H,18,19,23)/f/h22h,18-19H 5A831A849DFD81C6