InChI=1S/C30H31NO17S/c31-3-4-49(44)27-19-15(35)8-12(32)9-17(19)45-24(10-1-2-13(33)14(34)5-10)26(27)47-29(43)11-6-16(36)20(37)18(7-11)46-30-23(40)21(38)22(39)25(48-30)28(41)42/h1-2,5-9,21-27,30,32-40H,3-4,31H2,(H,41,42)