InChI=1/C20H21NO6/c1-3-14-8-16(12(2)22)17(23)9-18(14)27-11-13-5-4-6-15(7-13)20(26)21-10-19(24)25/h4-9,23H,3,10-11H2,1-2H3,(H,21,26)(H,24,25)/p-1/fC20H20NO6/h21H/q-1 B2D2A5181FAA1C50