https://www.selleckchem.com/pr....oducts/GSK461364.htm
The first investigation of phytochemistry on the seed kernels of Caesalpinia sinensis led to the isolation and characterization of six new compounds including three tricyclic-type cassane diterpenoids (1--3) and three norcassane-type diterpenoids (4-6), together with three know compounds (7-9). Compounds 1-9 represented the first discovery of cassane-type diterpenoids from C. sinensis. Their structures were elucidated by a combination of spectroscopic analysis, single-crystal X-ray diffraction experiment and ECD calculation. The chara
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