SEARCH Articles Figures Tables 2- Thiophenecarboxylic acid reduction 3- Hydroxy-2-thiophenecarboxylic acid derivatives 3- Thiophenecarboxylic acid 2-alkyl 3- hydroxy-2-thiophenecarboxylic acid 4-Nitro-2-thiophenecarboxylic acids Reaction with thiophenecarboxylic acids Thiophenecarboxylates Thiophenecarboxylic Acid Chloride Thiophenecarboxylic acid, directed Thiophenecarboxylic acids, amino-, reaction