- Publishers. p. 399. ISBN 978-0-7923-0964-2. US
patent 2943022, Siemer, H. &
Doppstadt, A., "Substituted 1-phenyl-2,3-dimethyl-4-morpholino
methyl pyrazolone-(5)...
- 5-dimethylmorpholine)
Manifaxine Radafaxine DE patent 1143201,
Siemer S,
Doppstadt A, "Verfahren zur
Herstellung von 2-Phenyl-3,6-dimethylmorpholine", granted...
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Dexheimer (Germany) DF (China)
Diana (Greece)
DongFangHong (China) – now YTO
Doppstadt (Germany)
Dragon (USA)
Drexler (Austria)
Dromson (Germany)
Dufuat Durany...
