META PHENYLENE DIAMINE 4 SULFONIC ACID (MPDSA SODIUM SALT)

N,N-DIETHYL ANILINE

2-AMINO-5-NITRO PHENOL (5 NAP)

ORTHO AMINO PHENOL

ORTHO ANISIDINE

PARA AMINO ACETANILIDE

SODIUM NITRITE

3,5-DIAMINOBENZOIC ACID (3,5 DABA)

N-ETHYL ANILINE

ORTHANILIC ACID

SULPHANILIC ACID