Determination of nine components in Reduning Injection by quantitative analysis of multi-components with a single-marker Determination of iridoid glycosides in Lonicerae Japonicae Flos and its patent medicine Lianhua Qingwen Capsule by dispersive solid phase extraction-HPLC Determination of organic acids and glycosides in different species of Lonicerae Flos Determination of eight components in Lonicerae Japonicae Flos by HPLC