Boric acid COF monomer
(Porphyrin-5,10,15,20-tetrayltetrakis(benzene-4,1-diyl))tetraboronic acid
(E)-((1,2-Diphenylethene-1,2-diyl)bis(4,1-phenylene))diboronic acid
(Nitrilotris(benzene-4,1-diyl))triboronic acid
