“…306,307 Another species of this genus, Cacalia deltophylla, 308,309 contains the new eremophilane derivatives deltocacalone 283 and deltonorcacalol 284. The sesquiterpenes 285-287, 288 and 289, 290-294 and 295 have been isolated from Ligularia hiberniflorum, 310 Ligularia kanaitzensis, 311 Ligularia sagitta 312 and Ligularia veitchiana, 246,247 respectively. Four pairs of new seco-macrotolides 296-299 have been obtained from Ligulariopsis shichuana, 313 whilst the lactone 300 has been found in Inula britannica.…”