InChI=1S/C19H24O16/c20-4-19(31)14(26)8(34-18(19)30)3-32-16(29)5-1-6(21)9(22)7(2-5)33-17-12(25)10(23)11(24)13(35-17)15(27)28/h1-2,8,10-14,17-18,20-26,30-31H,3-4H2,(H,27,28)