Absolute stereostructures of corchoionosides A, B, and C, histamine release Inhibitors from the leaves of Vietnamese Corchorus olitorius L. (Tiliaceae) - Yoshikawa,M.; Shimada,H.; Saka,M.; Yoshizumi,S.; Yamahara,J.; Matsuda,H. (Chem Pharm Bull, 1997)