InChI=1/C15H18N4O6/c1-16-13(21)7-4-10(24-2)11(25-3)5-8(7)17-12(20)6-9-14(22)19-15(23)18-9/h4-5,9H,6H2,1-3H3,(H,16,21)(H,17,20)(H2,18,19,22,23)/t9-/m1/s1/f/h16-19H 65503AD027C18B34