002833: InChI=1.12Beta/C21H24O10/c22-9-16-18(27)19(28)20(29)21(31-16)30-15-8-12(24)7-14(26)17(15)13(25)6-3-10-1-4-11(23)5-2-10/h1-2H,3H2,4-5H,6H2,7-8H,9H2,16H,18-24H,26-29H/t16-,18-,19+,20+,21-/m1/s1