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