4',4',6',6'-Tetrachloro-3,4-dihydro-3-(6-methylpyridin-2-yl)spiro[1,3,2-benzoxazaphosphinine-2,2'-(2lambda5,4lambda5,6lambda5-cyclotriphosphazene)].
The title compound, C13H12Cl4N5OP3, is a phosphazene derivative with a bulky substituted spirocyclic ring. The C3NPO spirocyclic ring has a twist-boat conformation, while the phosphazene ring has a very flattened boat conformation.
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