right|frame|class=skin-invert|The three isomers of triazine, with ring numbering Triazines are a class of nitrogen-containing heterocycles. The parent molecules' molecular formula is . They exist in three isomeric forms, 1,3,5-triazines being common.
right|frame|class=skin-invert|The three isomers of triazine, with ring numbering Triazines are a class of nitrogen-containing heterocycles. The parent molecules' molecular formula is . They exist in three isomeric forms, 1,3,5-triazines being common.
== Structure == The triazines have planar six-membered benzene-like ring but with three carbons replaced by nitrogens. The three isomers of triazine are distinguished by the positions of their nitrogen atoms, and are referred to as 1,2,3-triazine, 1,2,4-triazine, and 1,3,5-triazine.
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).