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