{HEAD ~ Cationic azo dyes} containing 2oxazolo pyridines and {TAIL ~ similar compounds} as diazo components 
containing
{ HEAD ~ Cationic azo dyes } containing 2oxazolo pyridines and { TAIL ~ similar compounds } as diazo components
HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH