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

2,5-Diphenyl-3,4-thiophendicarbonsaeure

4,6-Diphenylthieno(3,4-c)furan-1,3-dion

4-Oxo-2-phenyl-4H-indeno(1,2-b)thiophen-3-carbonsaeure

indeno[1,2-d]thiadiazol-4-one