Three New Alkaloids from the Traditional Chinese Medicine ChanSu

Three New Alkaloids from the Traditional Chinese Medicine ChanSu Bufobutanoic Acid and Bufopyramide, Two New Indole Alkaloids from the Chinese Traditional Drug Ch'an Su A new indole alkaloid from the traditional Chinese medicine Chansu Isolation and Structure of Five New Cancer Cell Growth Inhibitory Bufadienolides from the Chinese Traditional Drug Ch'an Su Two New 8-Oxotetrahydroprotoberberine Alkaloids, Gusanlung A and B, from<i>Acangelisia gusanlung</i> New Alkaloids from the Root of Stephania tetrandra (Fen-Fang-Ji) The Structure of Shihunine, a New Phthalide-Pyrrolidine Alkaloid Two New 8-Oxotetrahydroprotoberberine Alkaloids, Gusanlung A and B, fromAcangelisia gusanlung Isolation and Structure of a 20,21-Epoxybufenolide Series from “Ch'an Su” AChE inhibitory alkaloids from Coptis chinensis