InChI=1/C20H22N4O5/c25-18(13-23-9-8-14-4-1-2-5-15(14)12-23)11-21-19(26)20(27)22-16-6-3-7-17(10-16)24(28)29/h1-7,10,18,25H,8-9,11-13H2,(H,21,26)(H,22,27)/t18-/m0/s1/f/h21-22H 064046B44E13CD07