Ueber einige Derivate des Piperonals
by Fritz Haber (Berlin G. Schade, 1891)
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Fritz Haber
Charles Grob
Merck/MDMA
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Claudio Naranjo
MDMA: synthesis
Accidental Ecstasy?
Amphetamines.com
Alexander and Ann Shulgin
Early History of MDMA (in German)
