InChI=1/C18H16N4O3/c23-17-7-6-12-13(20-17)4-1-5-14(12)21-18(24)15-9-16(25-22-15)11-3-2-8-19-10-11/h2-3,6-10,14H,1,4-5H2,(H,20,23)(H,21,24)/t14-/m0/s1/f/h20-21H 64AEB7C7BC85A044