InChI=1/C19H23N5O4/c25-17(12-5-8-24(9-6-12)19(27)13-7-10-28-11-13)22-23-18(26)16-14-3-1-2-4-15(14)20-21-16/h7,10-12H,1-6,8-9H2,(H,20,21)(H,22,25)(H,23,26)/f/h21-23H 6BAE92F4AC177B27