1. Instituto de Ci?ncias Biomedicas da Universidad Federal do Rio de Janeiro, Rio de Janeiro, Brazil;2. Department of Chemistry, The Florida State University, Tallahassee, FL 32306, U.S.A.
Abstract:
An extract of Calea lantanoides which inhibits larval development of Strongyloides stercoralis and three species of hookworms gave the heliangolide 15-deoxybudlein A.