InChI=1S/C19H25NO12/c21-5-9-11(23)13(25)15(27)18(31-9)29-6-10-12(24)14(26)16-17(30-10)20(19(28)32-16)7-3-1-2-4-8(7)22/h1-4,9-18,21-27H,5-6H2