InChI=1/C20H22N4O5/c1-13-5-2-3-8-20(13)18(27)24(19(28)23-20)11-17(26)29-12-16(25)22-15-7-4-6-14(9-15)10-21/h4,6-7,9,13H,2-3,5,8,11-12H2,1H3,(H,22,25)(H,23,28)/t13-,20+/m0/s1/f/h22-23H 378263471879DB48