A water soluble dye of the formula D n wherein Z is of Formula,1, n is 1, 2 or 3 and D is {HEAD ~ the residue} of an azo, anthraquinone, phthalocyanine, {TAIL ~ triphenodioxazine} or formazan chromophore 
of
A water soluble dye of the formula D n wherein Z is of Formula,1 , n is 1 , 2 or 3 and D is { HEAD ~ the residue } of an azo , anthraquinone , phthalocyanine , { TAIL ~ triphenodioxazine } or formazan chromophore
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH