W. Guijt

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Two-dimensional nuclear magnetic resonance was used for the structure elucidation of two isomeric photoproducts of norethisterone, a commonly used progestogen in oral contraceptives. The predominant(More)
Methanopterin is a coenzyme involved in methanogenesis. From 2 kg wet cells of Methanobacterium thermoautotrophicum about 35 mumol methanopterin were isolated. The structure of this compound was(More)
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