Difference between revisions of "Halloween card"
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| + | = Interpretations and comparisons = | ||
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| + | == 1 pentene == | ||
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| + | [http://www.chemspider.com/ImagesHandler.ashx?id=7713&w=250&h=250 Image] | ||
Revision as of 06:23, 22 June 2021
This symbol appeared in the card Zodiac sent to Paul Avery on Oct 27, 1970. It also appeared on the envelope the card came in.
