(a)
(b)
(c)
(d)
(e)
(f)
(g)
(h)
Figure 4: High-resolution MS spectra of the LC-MS peaks that only presented in Sanjin Tablets eluate with molecular ion peaks at mass-to-charge () ratios 287.1 ((a) retention time 11.8 min), 343.1 ((b) retention time 2.1 min), 595.2 ((c) retention time 3.1 min), 611.1 ((d) retention time 4.5 min), 885.5 ((e) retention time 9.4 min), 975.5 ((f) retention time 8.6 min), 271.1 ((g) retention time 11.0 min), and 465.1 ((h) retention time 5.2 min).