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Acids, Heterocyclic - 34 guidelines Alkaloids - 129 guidelines Heterocyclic Compounds with 4 or More Rings - 69 guidelines Heterocyclic Compounds, 1-Ring - 368 guidelines Heterocyclic Compounds, 2-Ring - 342 guidelines Heterocyclic Compounds, 3-Ring - 67 guidelines Heterocyclic Compounds, Bridged-Ring - 97 guidelines Pyrans - 75 guidelines
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Date Modified: 1/12/2009