InChI=1/C19H15N5O4/c1-28-14-7-4-12-9-15-18(20)22-23(19(15)21-16(12)10-14)17(25)8-11-2-5-13(6-3-11)24(26)27/h2-7,9-10H,8H2,1H3,(H2,20,22)/f/h20H2 F9B2BDE0A511BEE3