Assertion: alkaloid | /r/HasProperty | prepared
Facets:
Source sentences:
text: The nitrogen of alkaloids Alkaloids, taken in their broadest sense, may have a nitrogen atom which is primary (mescaline), secondary (ephedrine), tertiary (atropine) or quaternary (one of the N atoms of tubocurarine), and this factor affects the derivatives of the alkaloid which can be prepared and the isolation