oxazin dyes

ox·a·zin dyes

similar to azin dyes except that one of the connecting N atoms is replaced by O; most important representatives are brilliant cresyl blue, orcein, litmus, and cresyl violet.

ox·a·zin dyes

(oks'ă-zin dīz)
Similar to azin dyes except that one of the connecting N atoms is replaced by O.