a reaction that occurs with preference for a specific region of a molecule.
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Acetamide, N-(5-ethyl-2-thienyl)-N-(phenylmethyl)-
9α-hydroxyl-2α,5α,10β,14β-tetra-acetoxy-4(20),11(12)-taxadiene
dicyclohexyl-(2-cyclopentenyl)phosphine oxide
((S)-1-Phenyl-ethyl)-carbamic acid (2S,5S,10R)-6,10-dimethyl-8-oxo-spiro[4.5]dec-6-en-2-yl ester
