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. 2014 Feb 13;2014:572697. doi: 10.1155/2014/572697

Figure 1.

Figure 1

HPLC-UV profiles of SM injection, standards, and chemical structures of the active ingredients. HPLC-UV profiles of SM injection (a) and standards (b), and the peaks represented (1) danshensu; (2) protocatechuic aldehyde; (3) salvianolic acid B. (c) The chemical structures of the three active ingredients.