InChI=1S/C30H31NO17S/c31-1-2-49-27-19-17(5-10(32)6-18(19)46-30-23(41)21(39)22(40)25(48-30)28(42)43)45-24(11-7-13(34)14(35)8-12(11)33)26(27)47-29(44)9-3-15(36)20(38)16(37)4-9/h3-8,21-27,30,32-41H,1-2,31H2,(H,42,43)