• (+)-α-copaen-8-one and other constituents from Neomirandea species 

      Tamayo Castillo, Giselle; Jakupovic, Jasmin; Castro Araya, Víctor H.; King, Robert M. (1989)
      The investigation of five Neomirandea species gave two known entclerodanes, a heliangolide, a cadinene and a new copaene derivative as well as some widespread compounds.