InChI=1/C20H20N4O4/c1-3-20(15-9-5-4-6-10-15)18(27)24(19(28)22-20)23-17(26)14-8-7-11-16(12-14)21-13(2)25/h4-12H,3H2,1-2H3,(H,21,25)(H,22,28)(H,23,26)/t20-/m1/s1/f/h21-23H	7163F95BF6300AD0