Chem Spider
ChemSpider is a free chemical database, owned by the Royal Society of Chemistry.
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Famous quotes containing the word spider:
““Will you walk into my parlor?” said the spider to the fly;
“‘Tis the prettiest little parlor that ever you did spy.
The way into my parlor is up a winding stair,
And I have many pretty things to show when you are there.””
—Mary Howitt (1799–1888)