Synonyms:
fast red kl ; fast redsalt kl ; red base kl ; azoic diazo 121 ; c.i. azoic diazocomponent 121 (8ci,9ci) ; sanyo fast red 6k base. ; azoic diazo component 121 ; dycosbase red kl base ; fast red kl base special ; dycosbasered kl base ; fast red kl base