title: Alkaloids of tylophora. 3. New alkaloids of Tylophora indica (Burm) Merrill and Tylophora dalzellii Hook. f.
mesh_terms: D000470:Alkaloids / Q000302:isolation & purification*; D007259:Infrared Rays; D008956:Models, Chemical; D010944:Plants / Q000032:analysis*; D013057:Spectrum Analysis; D014466:Ultraviolet Rays
chemical_list: D000470:Alkaloids