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                <full_title>HETEROCYCLES</full_title>
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                  <title>An Improved Hydrolysis of 7a-Chloro-7b-cyano-6,14-endo-ethenotetrahydrothebaine to Its 7-Oxo Derivative</title>
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                    <unstructured_citation>12. The yield of this reaction was 67%. The melting point, NMR and MS data were consistent with literature values for cyanochloro adduct (4).</unstructured_citation>
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                    <unstructured_citation>13. The yield of this reaction was 67%. The melting point, NMR and MS data were consistent with literature values for cyanochloro adduct (4).</unstructured_citation>
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