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Figure 2: High-performance liquid chromatography for Carthamus tinctorius L. (a) and reference compounds (b) hydroxysafflor yellow A (1) and safflower yellow B (2)

Figure 2: High-performance liquid chromatography for <i>Carthamus tinctorius</i> L. (a) and reference compounds (b) hydroxysafflor yellow A (1) and safflower yellow B (2)