InChI=1/C21H21NO5/c23-20(14-4-6-16-18(12-14)25-11-3-10-24-16)22-15-5-7-17-19(13-15)27-21(26-17)8-1-2-9-21/h4-7,12-13H,1-3,8-11H2,(H,22,23)/f/h22H 89E66898FD1147D0