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2-Hydroxyethyl methacrylate Trimethylolpropane Tris(hydroxymethyl)aminomethane 4-Carboxylbenzocyclobutene 1-Bromobenzocyclobutene 4-Aminobenzocyclobutene Benzocyclobutene-4-boronic acid 5-Norbornene-2-carbonitrile Bicyclo[1.1.1]pentane-1-carboxylic acid, methyl ester (9CI) bicyclo[3.2.1]octane-2,4-dione