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5-Methyl-2-thiophenecarboxylic acid1918-79-2100 % similar 2,5-Thiophenedicarboxylic acid4282-31-968 % similar 5-Acetyl-2-thiophenecarboxylic acid4066-41-558 % similar 2-Acetyl-5-methylthiophene13679-74-857 % similar 5-Ethyl-thiophene-2-carboxylic acid23229-72-356 % similar 5-Chloro-2-thiophenecarboxylic acid24065-33-655 % similar 5-Fluorothiophene-2-carboxylic acid4377-58-655 % similar 5-Bromothiophene-2-carboxylic acid7311-63-955 % similar 5-(Methylsulfanyl)thiophene-2-carboxylic acid20873-58-955 % similar 5-Formyl-2-thiophenecarboxylic acid4565-31-552 % similar 5-Carboxythiophene-2-boronic acid465515-31-552 % similar 5-Phenylthiophene-2-carboxylic acid19163-24-750 % similar 5-Nitro-2-thiophenecarboxylic acid6317-37-947 % similar 2-Methyl-5-thiazolecarboxylic acid40004-69-147 % similar 4,5-Dimethyl-2-thiophenecarboxylic acid40808-24-047 % similar 5-Methylthiazole-2-carboxylic acid61291-21-247 % similar 4-Methyl-2-thiophenecarboxylic acid14282-78-144 % similar 2,5-Dimethylthiophene638-02-844 % similar Thiophene-2-carboxylic acid527-72-044 % similar 5-(2-Pyridyl)thiophene-2-carboxylic acid119082-97-244 % similar