Each compound is identified by an UPAC-based name, the CAS registry number, its empirical formula and structure.

每种化合物被基于UPAC的名字，CAS 登记数目，它的经验公式和架构鑑定。

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Anne-Frederick Laurence, spokeswoman for anti-corruption police squad Unite permanente anti-corruption (UPAC), said more than 120 officers took part in the search and that officials were planning to question 25 people, including politicians, in relation the investigation.

BBC: Montreal city hall raided by anti-corruption police