InChI=1/C19H21N3O5/c1-23-14-8-12-13(9-15(14)24-2)20-10-21-19(12)22-11-6-16(25-3)18(27-5)17(7-11)26-4/h6-10H,1-5H3,(H,20,21,22)/f/h22H 3B6D7BD4707CDE66