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