InChI=1/C16H20N4O6/c1-14(2)15(19(23)24)6-17-8-16(14,20(25)26)9-18(7-15)13(17)10-3-4-11(21)12(22)5-10/h3-5,13,21-22H,6-9H2,1-2H3 20163171B687BFD0