TY - JOUR AN - 047459948 PY - 2001/01/01 TI - Structures of withanosides I, II, III, IV, V, VI, and VII, new withanolide glycosides, from the roots of Indian Withania somnifera DUNAL. and inhibitory activity for tachyphylaxis to clonidine in isolated guinea-pig ileum JO - Bioorganic and Medicinal Chemistry VL - 9 IS - 6 SP - 1499 EP - 1507 UR - https://eurekamag.com/research/047/459/047459948.php ER -