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