InChI=1/C21H21N3O5/c25-19-6-1-2-9-24(19)16-5-3-4-14(12-16)22-20(26)21(27)23-15-7-8-17-18(13-15)29-11-10-28-17/h3-5,7-8,12-13H,1-2,6,9-11H2,(H,22,26)(H,23,27)/f/h22-23H 9CDE2A601C6F799A