InChI=1/C20H18N4O4/c21-19(23-25)13-1-5-15(6-2-13)27-17-9-11-18(12-10-17)28-16-7-3-14(4-8-16)20(22)24-26/h1-12,25-26H,(H2,21,23)(H2,22,24)/f/h21-22H2/b23-19-,24-20-	BC4177582069B12F