The aerial parts of Tanacetum densum subsp. sivasicum yielded two new
farnesol derivatives, 11-hydroxy-5,14-diacetoxy-9,10-dehydrofarnesol a
cetate and 10-hydroxy-5,14-diacetoxy-11,12-dehydrofarnesol acetate in
addition to some known germacranolides and a eudesmanolide.