InChI=1S/C30H38O18/c1-2-14-15(16(26(39)40)11-44-28(14)48-30-23(37)20(34)19(33)17(10-31)46-30)9-18(32)43-8-7-12-3-5-13(6-4-12)45-29-24(38)21(35)22(36)25(47-29)27(41)42/h2-6,11,15,17,19-25,28-31,33-38H,7-10H2,1H3,(H,39,40)(H,41,42)/b14-2-