InChI=1S/C22H24NO5/c1-26-20-13-6-9-28-22(13)21(27-2)15-10-14-16(19(25)18(15)20)11-23(12-17(14)24)7-4-3-5-8-23/h6,9H,3-5,7-8,10-12H2,1-2H3/q+1