248-70-4 5,10-dithia-indeno[2,1-a]indene InChI=1/C14H8S2/c1-3-7-11-9(5-1)13-14(15-11)10-6-2-4-8-12(10)16-13/h1-8 [1]benzothieno[3,2-b][1]benzothiophene