1 2 4 5-tetrakis(4-carboxyphenyl)benzene July 8, 2019 16 32 64 128 1 2 4 5 tetrakis 4 carboxyphenyl benzene 1 2 4 5-benzenetetracarboxylic acid 1 2 4 5-tetrakis(bromomethyl)benzene 1 2 4 5-benzenetetramine 1 2 4 5-tetrazine-3 6-dicarboxylic acid
