InChI=1/C18H15N7O/c19-18-21-15-13(11-24(22-15)9-8-12-5-2-1-3-6-12)17-20-16(23-25(17)18)14-7-4-10-26-14/h1-7,10-11H,8-9H2,(H2,19,21,22)/f/h19H2 7320274753A4BFD1