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