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Acids, Heterocyclic - 30 guidelines Alkaloids - 119 guidelines Heterocyclic Compounds with 4 or More Rings - 64 guidelines Heterocyclic Compounds, 1-Ring - 339 guidelines Heterocyclic Compounds, 2-Ring - 307 guidelines Heterocyclic Compounds, 3-Ring - 57 guidelines Heterocyclic Compounds, Bridged-Ring - 89 guidelines Pyrans - 66 guidelines
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Date Modified: 9/15/2008