| oxazin | C12H10ON2; Oxyiminodiphenylimine;parent substance of a series of biological dyes, e.g., gallocyanin, brilliant cresyl blue, cresyl violet acetate. (05 Mar 2000) |
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| oxazin dyes | Similar to azin dye's except that one of the connecting N atoms is replaced by O; most important representatives are brilliant cresyl blue, orcein, litmus, and cresyl violet. (05 Mar 2000) |