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. 2025 Nov 14;104(46):e45453. doi: 10.1097/MD.0000000000045453

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Copyright © 2025 the Author(s). Published by Wolters Kluwer Health, Inc.

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Figure 3. — Base peak ion chromatogram of reference standards. (A) Co-DZZY Capsules in positive ion mode. (B) Reference standards in positive ion mode. (C) Co-DZZY Capsules in negative ion mode. (D) Reference standards in negative ion mode. (1) Ephedrine hydrochloride. (2) Pseudoephedrine hydrochloride. (3) Psoralen. (4) Isopsoralen. (5) Protocatechuic acid. (6) Monoside. (7) Loganin. (8) Pinoresinol diglucoside. (9) Albiflorin. (10) Aaeonin. Co-DZZY Capsules = Compound Duzhong Zhuangyao Capsules.