InChI=1/C20H16N8O4/c1-2-27-9-12-16(25-27)23-19(28-18(12)22-17(26-28)14-4-3-7-30-14)24-20(29)21-11-5-6-13-15(8-11)32-10-31-13/h3-9H,2,10H2,1H3,(H2,21,23,24,25,29)/f/h21,24H 793FACACE4BF4B4E