InChI=1S/C21H18O13S/c22-15-12-6-5-11(32-21-18(25)16(23)17(24)19(33-21)20(26)27)7-14(12)31-8-13(15)9-1-3-10(4-2-9)34-35(28,29)30/h1-8,16-19,21,23-25H,(H,26,27)(H,28,29,30)/t16-,17-,18+,19-,21+/m0/s1