supported by National Key Technology R&D Program "New Drug Innovation" of China(Nos. 2012ZX09301002-002-002 and 2012ZX09304-005)
Three new phenanthrenes,along with one known phenanthrene,were isolated from the ethanolic extract of the tubers of Cremastra appendiculata(D.Don) Makino.Their structures were elucidated on the basis of extensive sp...