InChI=1/C21H21NO5/c1-12-18-14(23)5-4-6-16(18)25-19(12)20(24)22-13-7-8-15-17(11-13)27-21(26-15)9-2-3-10-21/h7-8,11H,2-6,9-10H2,1H3,(H,22,24)/f/h22H 130A2BA664900086