InChI=1S/C21H32O12/c1-8(2)3-11(24)32-19-13-12(17-18(33-17)21(13,28)7-23)9(5-29-19)6-30-20-16(27)15(26)14(25)10(4-22)31-20/h5,8,10,12-20,22-23,25-28H,3-4,6-7H2,1-2H3