DARU Journal of Pharmaceutical Sciences114A new Guaianolide From Tanacetum fruticulosum Ledeb171174Abbas HadjiakhondiNazak AmeriFarahnaz Khalighi-SigaroodiAbdolhossein Rustaiyan20151006A new guaianolide, 3β, 4β –epoxy-8α–isobutyryloxyguaia – 1(10), 11(13) – dien – 12,6α–olide (Carlaolide) (1) from Tanacetum fruticulosum was isolated, and it’s structure was elucidated on the basis of spectroscopic data.https://daru.tums.ac.ir/index.php/daru/article/view/190https://daru.tums.ac.ir/index.php/daru/article/download/190/190