HPLC characteristic fingerprint of Moghania philippinensis root Study on characteristic fingerprint of Mesona chinensis Study on characteristic fingerprint of Mesona chinensis Identification of active components in Syngnathus acus by HILIC-ESI-TOF/MS and study on their specific fingerprint chromatograms A system research on HPLC characteristic fingerprint of Pinelliae Rhizoma and Pinelliae Rhizoma Praeparatum cum Zingibere et Alumine Study on change rule of 6 ester-type alkaloids in process of Heishunpian Survey in study on fingerprint spectrum of Chinese materia medica