2-bromo-1-N,4-N-dihydroxybenzene-1,4-dicarboxamide

2-甲基-1,4-苯二甲酸二甲酯

对苯二甲酸二甲酯

biphenyl-2,5,2',5'-tetracarboxylic acid tetramethyl ester

dimethyl 2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzene-1,4-dicarboxylate