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Representative multiple reaction monitoring (MRM) chromatograms of target analytes in rat plasma in a positive mode: (A) blank plasma; (B) blank plasma spiked with six chemical standards and internal standards (IS); (C) plasma sample collected at 2 h following oral administration of extract CNP (Carthamus tinctorius extract (CTE) 50 mg/kg + notoginseng total saponins (NGTS) 60 mg/kg) to rats.
