Two new diterpenoid alkaloids from Delphinium cardiopetalum

Two new diterpenoid alkaloids from Delphinium cardiopetalum Two new diterpene alkaloids from delphinium cardiopetalum DC Five diterpenoid alkaloids from Delphinium cardiopetalum Cardionide, an Unusual C-20 Diterpenoid Alkaloid from Delphinium Cardiopetalum DC The structures of cardionine and 11-acetylcardionine, new C20-diterpenoid alkaloids, from the selective INAPT NMR technique Diterpenoid and norditerpenoid alkaloids from Delphinium carduchorum Three diterpenoid alkaloids from Delphinium cossonianum Further norditerpenoid alkaloids from Delphinium cardiopetalum The Structures of Four New Diterpenoid Alkaloids Isolation and Structural Elucidation of a New Alkaloid from Delphinium peregrinum L. var. eriocarpum Boiss