InChI=1/C14H16O13S/c15-8(16)4-5-1-2-6(7(3-5)27-28(22,23)24)25-14-11(19)9(17)10(18)12(26-14)13(20)21/h1-3,9-12,14,17-19H,4H2,(H,15,16)(H,20,21)(H,22,23,24)/t9-,10-,11+,12-,14+/s2