生物活性: 4-Azido-2,3,5,6-tetrafluorobenzoic Acid (N3-TFBA) is a click chemistry reagent containing an azide group. 4-Azido-2,3,5,6-tetrafluorobenzoic Acid is a complex with FAM-labeled DNA probe. 4-Azido-2,3,5,6-tetrafluorobenzoic Acid can be used as versatile photoaffinity labeling agents to probe biological receptors.