InChI=1/C15H18N4O4/c16-15(17)18-8-4-7-10-11(14(22)23)19(13(10)21)12(20)9-5-2-1-3-6-9/h1-3,5-6,10-11H,4,7-8H2,(H,22,23)(H4,16,17,18)/t10-,11+/m1/s1/f/h18H,16-17H2 D02BBA23711C3246