1,3-Propylenediaminetertaacetic acid

1,4,5,8-Naphthalenetetracarboxylic acid

1,4,5,8-Naphthalenetetracarboxylic dianhydride

1,4-PHENYLENEDIACRYLIC ACID

Nordihydroguaiaretic acid

1,4-Bis(4-aminophenoxy)benzene

1,4-BIS(1-METHYL-1-HYDROXYETHYL)BENZENE

1,4-BIS(BROMOMETHYL)-2,5-DIIODOBENZENE

alpha,alpha'-Dibromo-p-xylene