Read Edit View history 𫫇嗪 èqín oxazine Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 𫫇嗪/噁嗪 · èqín · oxazine 2026/03/04 𫫇嗪 / 噁嗪 èqín oxazine oxazine C4H5NO 𫫇嗪是一类含有氮和氧原子的六元杂环化合物。 created sense Mar 4, 2026, 02:25 AM