1,3-DIPROPYL-8-P-SULFOPHENYLXANTHINE

1,4,10,13-TETRATHIA-7,16-DIAZACYCLOOCTADECANE

2,3-diazabicyclo[3.2.2]non-2-ene,1,4,4-trimethyl-,2,3-dioxide

1,4,5,8-Naphthalenetetracarboxylic dianhydride

1,4,5,8-TETRAHYDROXYANTHRAQUINONE

1,4-Benzenedicarboxaldehyde dioxime

1,4-Benzodioxan-2-carboxylic acid

1,4-BIS(2-HYDROXYHEXAFLUOROISOPROPYL)BENZENE