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