InChI=1/C21H24O6/c1-21-8-7-12-11(13(21)5-6-15(21)22)4-3-10-9-14(27-2)17(19(23)24)18(16(10)12)20(25)26/h9,11-13H,3-8H2,1-2H3,(H,23,24)(H,25,26)/p-2/t11-,12-,13-,21-/m0/s1/fC21H22O6/q-2 AC71309EA009CAC8