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A representative HPLC chromatogram acquired at 260 nm of (A) nucleoside/nucleobase-rich extract obtained from Cordyceps Sinensis (CS-N) and (B) nucleoside and nucleobase standards. Peaks were tentatively identified as: 1, cytidine; 2, adenine; 3, guanine; 4, uracil; 5, hypoxanthine; 6, uridine; 7, adenosine; 8, 2′-deoxyadenosine; 9, guanosine; 10, thymidine.
