InChI=1/C16H18N4O6/c1-20-13-10(14(21)19-16(20)23)11(17-15(22)18-13)7-5-8(24-2)12(26-4)9(6-7)25-3/h5-6,11H,1-4H3,(H2,17,18,22)(H,19,21,23)/t11-/m0/s1/f/h17-19H 72C6F973786F6200