4-(N-BUTOXYCARBONYL)PHENYL ISOCYANATE

4-(N-Ethyl-N-2-hydroxyethyl)-2-methylphenylenediamine sulfate

Color developing agent CD-3

3(OR 4)-METHYL-3-CYCLOHEXENECARBONITRILE

4-(P-CHLOROPHENOXY)BUTYRIC ACID

4-(BENZENESULFONYL)THIOPHENE-2-SULFONYL CHLORIDE

4-PROPIONYLOXYBENZALDEHYDE

2-AMINO-4-TERT-BUTYL-6-HYDRAZINO-S-TRIAZINE

4-(TERT-BUTYL)-1,2-DIAMINOBENZENE