InChI=1/C21H19N3O4/c25-20(23-27)18-13-24(21(26)22-18)12-14-8-10-16(11-9-14)28-19-7-3-5-15-4-1-2-6-17(15)19/h1-11,18,27H,12-13H2,(H,22,26)(H,23,25)/t18-/m1/s1/f/h22-23H	1029D9079F9C8742