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. 2018 Feb 28;23(3):538. doi: 10.3390/molecules23030538

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© 2018 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).

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The ultra-performance liquid chromatography–tandem mass spectrometry chromatograms of a mixture of standards and Salvia miltiorrhiza samples. 1. Danshensu; 2. Protocatechuic acid; 3. Protocatechualdehyde; 4. Caffeic acid; 5. Ferulic acid; 6. Isferulic acid; 7. Rosmarinic acid; 8. Lithospermic acid; 9. Salvianolic acid B; 10. Salvianolic acid A; 11. Cinnamic acid; 12. Salvianolic acid C; 13. Dihydrotanshinone I; 14. Tanshinone I; 15. Cryptotanshinone; 16. Tanshinone IIA; 17. Miltirone.