InChI=1/C20H18N5O5/c1-12(26)25-15(13-6-4-8-29-13)18(10-21)17(23)24-20(27-2,28-3)19(18,11-22)16(25)14-7-5-9-30-14/h4-9,15-16H,1-3H3,(H-,23,24)/q-1/t15-,16+,18+,19+/m1/s1/f/h23H 85215E26BB4CB2E5