Studies on antibacterial constituents of Discocleidion rufescens (2) Chemical constitutents in fermental mycelium of Xylaria nigripes Lignans from stems of Sambucus williamsii Alkaloids and anthraquinones from branches and leaves of Uvaria kurzii Chemical constitutents from pre-formulation of Lonicerae Japonicae Flos in Shuanghuanglian lyophilized powder for injection Studies on Chemical Constitutents of Thalictrum atriplex Finet et Gagnep.