Department of Chemistry, M/C 0212, Virginia Polytechnic Institute and State University, Blacksburg, Virginia 24061, Bedrijf Geneesmiddelen Voorziening Suriname, Commissaris Roblesweg, Geyersluit, Suriname, Missouri Botanical Garden, P.O. Box 299, St. Louis, Missouri 63166-0299, and Bristol-Myers Squibb Pharmaceutical Research Institute, 5 Research Parkway, Wallingford, Connecticut 06492-7660(2000-11-23時点)
