InChI=1S/C32H32O19/c33-12-4-1-10(2-5-12)31(47)48-9-17-21(39)22(40)24(42)28(49-17)19-16(37)8-15(36)18(20(38)11-3-6-13(34)14(35)7-11)27(19)50-32-26(44)23(41)25(43)29(51-32)30(45)46/h1-8,17,21-26,28-29,32-37,39-44H,9H2,(H,45,46)