4,4'',4'''',4''''''-(1,3,6,8-Pyrenetetrayl)tetrakis-, 1,1'',1'''',1''''''-benzoic acid Tetramethyl Ester is an intermediate in the synthesis of 1,3,6,8-Tetra(4''-carboxyphenyl)pyrene (T291215) which is used in the synthesis of metal organic frameworks such as NU-1000.