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Submitter notes that (prior to sending) they ''Tested with common reagents and results leaned towards mescaline but were inconclusive - Ehrlich: light pink reaction, Froehde: yellow orange reaction, Simon's: no reaction, Liebermann: red tinged dark black, Mecke: dark brown/black, Marquis: bright orange''.
Dec 7 2022: Trimethoprim identified by library match. A reference standard is available for Trimethoprim.