Comparison on active ingredients in Zhentongling Prescription of different decoctions Microcalorimetric studies of drug property differences during combination of Rhizoma Coptidis with Fructus Evodiae after separated decoction UPLC-Q-TOF-MS analysis on constituents from ethanol extract fraction herbs of Qibai Pingfei Granule Determination of ferulic acid and deoxyschisandrin in Compound Ziziphi Spinosae Semen Soft Capsule by HPLC