InChI=1S/C30H31NO17S/c31-1-2-49-27-18-12(33)7-11(32)8-16(18)45-24(26(27)47-29(44)10-4-13(34)19(37)14(35)5-10)9-3-15(36)20(38)17(6-9)46-30-23(41)21(39)22(40)25(48-30)28(42)43/h3-8,21-27,30,32-41H,1-2,31H2,(H,42,43)