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