InChI=1/C17H14N4O5/c22-16(12-7-4-8-13(9-12)21(24)25)18-19-17(23)14-10-15(26-20-14)11-5-2-1-3-6-11/h1-9,15H,10H2,(H,18,22)(H,19,23)/t15-/m0/s1/f/h18-19H 632238BAD0E2C191