InChI=1/C18H21N5O4/c24-16(7-6-15-5-3-13-27-15)20-12-9-17(25)22-23-18(26)21-11-8-14-4-1-2-10-19-14/h1-7,10,13H,8-9,11-12H2,(H,20,24)(H,22,25)(H2,21,23,26)/b7-6+/f/h20-23H 8F911ABCA09E1C98