Mass spectrometric study of apogalanthamine and its derivatives
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1. The mass spectra of apogalanthamine, its monomethyl ether, and the acetate of the monomethyl ether have been studied.
2. The general nature of the fragmentation of these compounds and of alkaloids of the galanthamine type has been shown and specific features of fragmentation due to the presence of the second aromatic ring have been determined.