InChI=1/C18H22N4O4/c19-15(24)13(10-12-6-2-1-3-7-12)20-14(23)11-22-16(25)18(21-17(22)26)8-4-5-9-18/h1-3,6-7,13H,4-5,8-11H2,(H2,19,24)(H,20,23)(H,21,26)/t13-/m0/s1/f/h20-21H,19H2	C205B6B03C53150E