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J Nat Med
; 63(1): 58-60, 2009 Jan.
Article
in English
| MEDLINE
| ID: mdl-18665332
ABSTRACT
A new guanidine derivative named plantago-guanidinic acid was isolated from the seeds of Plantago asiatica. The structure was elucidated by two-dimensional (2D) nuclear magnetic resonance (NMR) spectral and other spectral methods.
