Synthesis of pterogynine and isolation of its isomer pterogynidine, a new guanidine alkaloid

Synthesis of pterogynine and isolation of its isomer pterogynidine, a new guanidine alkaloid Cytotoxic Guanidine Alkaloids from <i>Pterogyne nitens</i> Cytotoxic Guanidine Alkaloids from <i>Pterogyne nitens</i> Bioactive Guanidine Alkaloids from Pterogyne nitens Bioactive Guanidine Alkaloids from Pterogyne nitens Nematostatic activity of isoprenylated guanidine alkaloids from Pterogyne nitens and their interaction with acetylcholinesterase Two New Pyrroloquinazolinoquinoline Alkaloids from Peganum nigellastrum Two New Pyrroloquinazolinoquinoline Alkaloids from Peganum nigellastrum Constituintes químicos das flores de Pterogyne nitens (Caesalpinioideae) Alkaloids from Papaver angrenicum. II. Crystal and Molecular Structure of the New Diisoquinoline Alkaloid Pangrenine