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. Author manuscript; available in PMC: 2013 Apr 25.
Published in final edited form as: Clin Pharmacol Ther. 2009 Dec 23;87(2):219–225. doi: 10.1038/clpt.2009.251

Figure 2.

Figure 2

LC-MS-MS chromatograms of 23-epi-26-deoxyactein in urine obtained using positive ion electrospray at A) 0 h (baseline); and B) in an aliquot of pooled 24-h urine collected after a single dose of a black cohosh dietary supplement containing 5.6 mg (8.5 μmol) of 23-epi-26-deoxyactein.