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http://www.chemistry.org/portal/a/c/s/1/acsdisplay.html?id=99549fd89d6a11d6f06a4fd8fe800100
Does this come from Urushi?
Urushiol - Wikipedia
http://www.chemistry.org/portal/a/c/s/1/acsdisplay.html?id=99549fd89d6a11d6f06a4fd8fe800100
Does this come from Urushi?
Urushiol - Wikipedia