InChI=1S/C19H24O9/c1-10(20)25-9-12-15-13(27-16(12)22)7-17(3)5-6-19(24,28-17)18(4,23)8-14(15)26-11(2)21/h7,14,23-24H,5-6,8-9H2,1-4H3/t14?,17-,18-,19+/m1/s1