𝔖 Bobbio Scriptorium
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Assay of Preparations of Veratrum Viride by Hypotensive Activity in Dogs*

✍ Scribed by Chen, Graham ;Russell, David


Publisher
Elsevier
Year
1953
Weight
461 KB
Volume
42
Category
Article
ISSN
0095-9553

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Veratrum alkaloids LI. Hypotensive-emeti
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protoverine 3-isobutyrate 6,7,16-triacetate 15-nicotinate (XVI) in 57 ml. of methanol was allowed to stand at room temperature for 16 hours. Evaporation to dryness left a resin which resisted attempts a t purification by column chromatography, but which yielded to preparative paper chromatography. T