InChI=1S/C27H28O18/c1-6-14(32)16(34)19(37)26(41-6)44-23-15(33)13-9(29)4-8(28)5-12(13)42-21(23)7-2-10(30)22(11(31)3-7)43-27-20(38)17(35)18(36)24(45-27)25(39)40/h2-6,14,16-20,24,26-32,34-38H,1H3,(H,39,40)