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Bicyclo[1.1.1]pentane-1,3-dicarboxylic acid Bicyclo[4.1.0]heptan-2-one bicyclo[2.2.2]octan-1-amine hydrochloride 5-NORBONENE-2-METHANAMINE 5-Norbornene-2-carbonitrile bicyclo[1.1.1]pentane-1,3-dicarbonitrile 4-Carboxylbenzocyclobutene 4-Hydroxymethylbenzocyclobutene 4-Aminobenzocyclobutene Bicyclo[1.1.1]pentane-1-carboxylic acid, methyl ester (9CI)