InChI=1/C16H12Cl2N4O3/c1-25-12(23)7-22-14-8(6-20-16(19)21-14)5-9(15(22)24)13-10(17)3-2-4-11(13)18/h2-6H,7H2,1H3,(H2,19,20,21)/f/h19H2 CB2B55275701FD2C