InChI=1/C18H17NO5/c20-18(12-2-4-14-16(10-12)24-9-8-23-14)19-13-3-5-15-17(11-13)22-7-1-6-21-15/h2-5,10-11H,1,6-9H2,(H,19,20)/f/h19H 4C6654A3A7767C14