InChI=1S/C22H25NO7/c1-22(2)21(30-22)19(26)15-13(28-5)9-11(24)14-17(15)23(3)16-10(18(14)25)7-8-12(27-4)20(16)29-6/h7-9,19,21,24,26H,1-6H3