5-甲基-2-噻吩羧酸;5-甲基噻吩-2-羧酸;甲基-2-噻吩甲酸;5-甲基噻酚-2-甲酸;

5-Methyl-2-thiophene carboxylic acid;2-Thiophenecarboxylic acid, 5-methyl-;5-Methyl-2-Thiophenecarboxylic Acid;5-methyl-thiophene-2-carboxylic acid;5-Methyl-2-thenoic Acid;