InChI=1/C22H21NO5/c1-14(28-22(25)17-11-7-13-19(26-2)20(17)27-3)21(24)23-18-12-6-9-15-8-4-5-10-16(15)18/h4-14H,1-3H3,(H,23,24)/t14-/m0/s1/f/h23H B67B7E4E9D5E22D4