InChI=1S/C20H24O6/c1-7-10(3)18(23)25-15-13-12(5)19(24)26-16(13)17(22)20(6,8-2)14(15)11(4)9-21/h7-9,13-17,22H,2,4-5H2,1,3,6H3/b10-7+/t13-,14-,15-,16-,17-,20+/m0/s1