InChI=1/C16H21N3O5/c20-15(11-17-13-3-1-2-4-14(13)19(21)22)18-12-5-7-16(8-6-12)23-9-10-24-16/h1-4,12,17H,5-11H2,(H,18,20)/f/h18H 6561C1BBC92B1227