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