Molecules with a plane of symmetry between the chiral centers are achiral and meso. Identify which of the following molecules are meso. HO-C BZ H HB С-ОН o Compound 1 О НО С Br Her H Compound 3 О OH О HO-C H Br Her C-OH Compound 2 О НО НО-С c-0 HBr Br Compound 4

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