Skip to main content

Table 1 The mass data for metabolites of Senkyunolide I (SEI)

From: Preparation and structural determination of four metabolites of senkyunolide I in rats using ultra performance liquid chromatography/quadrupole-time-of-flight tandem mass and nuclear magnetic resonance spectra

Compound Observed mass (Da) Calculated mass (Da) Error (mDa) Error (ppm) DBE Norm Formula
M1 401.1455 401.1448 0.6 1.5 6.5 0.048 C18H25O10
M2 401.1453 401.1448 0.7 1.7 6.5 0.004 C18H25O10
M3 514.1870 514.1859 1.4 2.7 8.5 2.062 C22H32N3O9S
M4 514.1874 514.1859 1.5 2.9 8.5 1.554 C22H32N3O9S