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Chemistry of Heterocyclic Compounds > 2004 > 40 > 8 > 992-1001
Russian Chemical Bulletin > 2003 > 52 > 10 > 2167-2170
Chemistry of Heterocyclic Compounds > 2004 > 40 > 8 > 992-1001
Russian Chemical Bulletin > 2003 > 52 > 10 > 2167-2170