Fig. 1From: Discrimination of Baphicacanthis Cusiae Rhizoma et radix and its adulterant species and establishment of an assay method for quality controlMS/MS spectra and fragmentation pathway of two representative constituents. a Cpd.99 (procumbenoside L) and b Cpd.112 (3-(2-Hydroxyphenyl)-4(3H)-quinazolinone)Back to article page