N-Formylcytisine: A new alkaloid from Thermopsis chinensis

N-Formylcytisine: A new alkaloid from Thermopsis chinensis A study of the alkaloids of Thermopsis alterniflora N-(3-oxobutyl)cytisine: A new lupin alkaloid from eChinosophora koreensis THE ALKALOIDS OF <i>THERMOPSIS RHOMBIFOLIA</i> (NUTT.) RICHARDS Alkaloids of Thermopsis Lupinoides Isolation of a New Alkaloid (-)-0- Acetylbaptifoline and the Absolute Stereochemical Relationships of Lupine Alkaloids in Thermopsis chinensis Isolation of a New Alkaloid (-)-0- Acetylbaptifoline and the Absolute Stereochemical Relationships of Lupine Alkaloids in Thermopsis chinensis 13-epi-Hydroxysparteine and Desoxyangustifoline, New Alkaloids from Thermopsis mongolica (−)-N-ethylcytisine, a lupin alkaloid from the flowers of Echinosophora koreensis (+)-11-oxocytisine, a lupin alkaloid from leaves of sophora secundiflora