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