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