Research Article
Characterization of Metabolites of Leonurine (SCM-198) in Rats after Oral Administration by Liquid Chromatography/Tandem Mass Spectrometry and NMR Spectrometry
Table 3
The 13C and 1H NMR data for M1 and leonurine.
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All spectra were recorded on a Bruker Avance 400 spectrometer, in D2O. bThe carbon and proton signals were assigned on 1H NMR, 13C NMR, HMBC, and HSQC. cCarbon number of glucuronic acid moiety. |