InChI=1/C19H19N3O5/c23-18(20-12-13-3-1-6-16-17(13)26-10-9-25-16)21-14-4-2-5-15(11-14)22-7-8-27-19(22)24/h1-6,11H,7-10,12H2,(H2,20,21,23)/f/h20-21H CFD610655446E735