Part two of this multi-step synthesis is bromination of cinnamic acid. Predict the products for this step of the reaction. Check all that apply. Br Br OH Br OH Br (2R,3R)-2,3-dibromo-3-phenylpropanoic acid (2R,3S)-2,3-dibromo-3-phenylpropanoic acid Br O OH Br O OH Br (2S,3S)-2,3-dibromo-3-phenylpropanoic acid (25,3R)-2,3-dibromo-3-phenylpropanoic acid