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