Azo dyestuff for use as a chromogen in detecting leukocytes

Azo dyestuff including a 1,3 or 1,4-benzodioxan ring structure f

Azo dyestuff intermediate nitro- or aminobenzenes ring-substitut

Azo dyestuff with a fiber-reactive group attached to a naphthale

Azo dyestuffs

Azo dyestuffs

Azo dyestuffs

Azo dyestuffs

Azo dyestuffs containing -SO.sub.2 CH.sub.2 CH.sub.2 OSO.sub.3 H

Azo dyestuffs containing 6-fluoro-pyrimidinyl 4-reactive group

Azo dyestuffs containing a cinnamonitrile residue

Azo dyestuffs containing aminopyridone coupling component

Azo dyestuffs containing an .alpha.-phenylamino isobutyric acid

Azo dyestuffs containing an amino or acylated amino naphthol di-

Azo dyestuffs containing an amino or acylated amino naphthol mon

Azo dyestuffs containing phenolic coupling group

Azo dyestuffs containing sulfonylamino-sulfonyl groups

Azo dyestuffs derived from polycyclo-hetercyclic coupler compone

Azo dyestuffs from benzene diazo component fused to an aliphatic

Azo dyestuffs having a carboxyl group and a substituted sulfonyl