Two new sesquiterpenes were isolated from the aerial parts of Inula japonica. Their structures were elucidated as 1-hydroxy-8-acetoxycostic acid methyl ester and 1-hydroxy-8-acetoxyisocostic acid methyl ester by spec...Two new sesquiterpenes were isolated from the aerial parts of Inula japonica. Their structures were elucidated as 1-hydroxy-8-acetoxycostic acid methyl ester and 1-hydroxy-8-acetoxyisocostic acid methyl ester by spectral methods.展开更多
文摘Two new sesquiterpenes were isolated from the aerial parts of Inula japonica. Their structures were elucidated as 1-hydroxy-8-acetoxycostic acid methyl ester and 1-hydroxy-8-acetoxyisocostic acid methyl ester by spectral methods.
