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thieno[3,2-c]pyridine Thieno[3,2-b]pyridine-6-carbonitrile (9CI) THIENO[2,3-B]PYRIDINE-2-CARBOXYLIC ACID Thieno[3,2-b]thiophene-2-carbonitrile THIENO[2,3-B]PYRIDINE-2-CARBALDEHYDE Thieno[2,3-c]pyridine-2-carboxylic acid (9CI) Thieno[3,2-c]pyridine-2-carboxylic acid THIENO[2,3-B]QUINOLINE-2-CARBOXYLIC ACID Thieno[2,3-c]pyridine-2-carboxaldehyde (9CI) THIENO[2,3-B]PYRAZINE-6-CARBOXYLIC ACID