InChI=1/C20H22N4O4/c25-16-10-12(11-23-14-8-4-5-9-15(14)28-20(23)27)17-18(21-16)24(22-19(17)26)13-6-2-1-3-7-13/h4-5,8-9,12-13H,1-3,6-7,10-11H2,(H,21,25)(H,22,26)/t12-/m0/s1/f/h21,26H	1E1B3D14C9A94710