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