animals immunized with oxazolone or picryl conjugates of keyhole limpet hemocyanin ( klh ) emulsified with complete ( cfa ) or incomplete freund 's adjunvant ( ifa ) were found to have hapten-specific cutaneous basophil reactions when skin tested at 1 week with oxazolone or picryl chloride contant painting or intradermal injection of oxazolone or picryl-conjugated human serum albumin , respectively .
C0018593
hapten
C0031891
picryl chloride