2-Acetylfuran
2-Acetylthiophene
2-Bromothiophene
2-Chloro-5-nitrobenzoic Acid
2-Thenaldehyde
2-Thiopheneacetic Acid
2-Thiophenecarbonyl Chloride
2-Thiophenecarboxylic Acid
2-Thiophenemethanol
3,4-Dichlorobenzophenone
3,5-Diaminobenzoic Acid
3,5-Dinitrobenzoic Acid