InChI=1S/C33H28O20S/c34-15-4-1-12(2-5-15)33(46)52-31-28(44)29(53-54(47,48)49)22(11-50-32(45)14-8-20(39)26(42)21(40)9-14)51-30(31)24-19(38)10-18(37)23(27(24)43)25(41)13-3-6-16(35)17(36)7-13/h1-10,22,28-31,34-40,42-44H,11H2,(H,47,48,49)