InChI=1/C19H23N3O5/c23-16(20-13-5-6-14-15(11-13)27-10-9-26-14)12-22-17(24)19(21-18(22)25)7-3-1-2-4-8-19/h5-6,11H,1-4,7-10,12H2,(H,20,23)(H,21,25)/f/h20-21H 30E27112D24DA281