3-Phenyl-4H-indeno[1,2-c]thiophen-4-on

4-methoxycarbonyl-3,5-diphenylthiophene-2-carboxylate

dimethyl 3,5-diphenylthiophene-2,4-dicarboxylate

dimethyl 3,6-diphenyl-1,4-dithiin-2,5-dicarboxylate

4-oxo-3-phenylindeno[1,2-c]thiophene-1-carboxylic acid