Synthesis of 1,2,4-triazolo[4,3-a]quinoline-9-, 1,2,3,4-tetrazolo[4,3-a]quinoline-9 and 1,2,4-triazino[4,3-a]quinoline-10-carboxylic acids from 2-chloro- and 2-hydrazinocinchoninic acids

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