Terpenoids from Ligularia virgaurea collected in China: the first example of two bakkane derivatives with an anhydride-type ring C and nineteen new chemical constituents
Keywords: Asteraceae; Ligularia virgaurea; Terpenoid; Eremophilane; Bakkane; Anhydride; Isolation; BHJBZNVPTGMTMG-RFCPZSKISA-N;