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HPLC-MS mass specterometry analysis of the RSRN. (a) First-order spectrogram positive ion mode. (b) Second-order spectrogram positive ion mode. (c) Mass spectrometry of the main components; 1. Curculigoside; 2. Dihydrotanshinoen I; 3. Icarisid I; 4. Mangiferin; 5. Sarsasapogenin; 6. Jatrorrhizine.
