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Ecdybase (The Ecdysone Handbook) - a free online ecdysteroids database

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Expasy - ENZYME

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ACS Division of Organic Chemistry - Homepage

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ChemSub Online: The Free Web Portal and Information System on Chemical Substances from around the World.

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School of Arts & Sciences : University of Rochester

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Under construction - Awesome site in the making!

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ChemMol

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