Phenanthroindolizidine alkaloids from Tylophora tanakae

Phenanthroindolizidine alkaloids from Tylophora tanakae 189. The alkaloids of Tylophora crebriflora: structure and synthesis of tylocrebrine, a new phenanthroindolizidine alkaloid Further Investigation of Phenanthroindolizidine Alkaloids from Tylophora tanakae. Further Investigation of Phenanthroindolizidine Alkaloids from Tylophora tanakae. Alkaloids from Tylophora indica Rare Phenanthroindolizidine Alkaloids and a Substituted Phenanthrene, Tyloindane, from Tylophora indica Rare Phenanthroindolizidine Alkaloids and a Substituted Phenanthrene, Tyloindane, from Tylophora indica Tylophorinicine, a phenanthroindolizidine alkaloid from tylophora asthmatica and pergularia pallida Alkaloids of Tylophora I: Isolation of Six New Alkaloids Cytotoxic Alkaloids from the Roots ofTylophora atrofolliculata