Clerodane-Type Diterpenoids from the Taiwanese Liverwort Schistochila Acuminata

Three cis-clerodane-type acids 3-5 and one methyl ester 9 were identified from the liverwort Schistochila acuminata. The two new acids 3 and 5 were 12E and 12Z geometric isomers and the methyl ester 9 was first reported from nature.