InChI=1S/C16H12O10S/c17-12-11-9(5-10-16(13(11)18)24-6-23-10)25-15(14(12)19)7-2-1-3-8(4-7)26-27(20,21)22/h1-5,14-15,18-19H,6H2,(H,20,21,22)