InChI=1S/C18H22O12/c1-25-13-7(5-9-14(16(13)26-2)28-6-27-9)8(3-4-19)29-18-12(22)10(20)11(21)15(30-18)17(23)24/h4-5,8,10-12,15,18,20-22H,3,6H2,1-2H3,(H,23,24)