The mixtures 1, comprising {HEAD ~ one or more dyes} of the general formula ##STR13## in which R2 is halogen, cyano, alkyl, alkoxy or alkoxycarbonyl; and of {TAIL ~ the general formula} ##STR14## in which R3 is alkyl, alkoxy or phenyl 
The mixtures 1 , comprising { HEAD ~ one or more dyes } of the general formula # # STR13 # # in which R2 is halogen , cyano , alkyl , alkoxy or alkoxycarbonyl ; and of { TAIL ~ the general formula } # # STR14 # # in which R3 is alkyl , alkoxy or phenyl
OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH