InChI=1/C18H19N5O5/c24-18(20-13-1-3-15-16(9-13)28-12-27-15)11-21-5-7-22(8-6-21)17-4-2-14(10-19-17)23(25)26/h1-4,9-10H,5-8,11-12H2,(H,20,24)/f/h20H 30D4E989424BF3EA