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Magn Reson Chem
; 48(9): 734-7, 2010 Sep.
Article
in English
| MEDLINE
| ID: mdl-20641135
ABSTRACT
Two unusual monoterpene indole alkaloids, stachyoside (1) and nor-methyl-23-oxo-correantoside (2), have been isolated from the aerial parts of Psychotria stachyoides. The structural elucidation of both compounds was performed by the aid of HRESIMS, FT-IR, and 1D- and 2D-NMR techniques including COSY, HSQC, HMBC, and NOESY.