1 2 4 5-benzenetetramine tetrahydrochloride July 8, 2019 16 32 64 128 1 2 4 5 benzenetetramine tetrahydrochloride 1 2 4 5-benzene tetraamine tetrahydrochloride 1 2 4 5-benzenetetramine 1 2 4 5-tetrakis(4-carboxyphenyl)benzene 1 2 4 5-tetrazine 1 2 4 5-tetrazines
