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.