I U P A C ADVANCING THE WORLDWIDE ROLE OF CHEMISTRY FOR THE BENEFIT OF MANKIND

MISSION IUPAC is a non-governmental organization of member countries President: Kazuyuki Tatsumi (Japan) that encompasses more than 85% of the world’s chemical sciences and industries. IUPAC addresses international issues in the chemical Vice President: sciences utilizing expert volunteers from its member countries. Mark C. Cesa (USA)

IUPAC provides leadership, facilitation, and encouragement of Past President: chemistry and promotes the norms, values, standards, and ethics Nicole J. Moreau (France)

of science and the free exchange of scientific information. Scientists Secretary General: have unimpeded access to IUPAC activities and reports. In fulfilling René Deplanque (Germany) this mission, IUPAC effectively contributes to the worldwide under- Treasurer: standing and application of the chemical sciences, to the betterment John Corish (Ireland) of the human condition.

NATIONAL ADHERING ORGANIZATIONS Asociación Química Argentina (Argentina) Consiglio Nazionale delle Ricerche (Italy) Australian Academy of Science (Australia) Caribbean Academy of Sciences—Jamaica Chapter (Jamaica) Österreichische Akademie der Wissenschaften (Austria) Science Council of Japan (Japan) Bangladesh (Bangladesh) Jordanian Chemical Society (Jordan) The Royal Academies for the Sciences and Arts of Belgium (Belgium) Korean Chemical Society (Korea) Brazilian Chemical Society (Brazil) Kuwait Chemical Society (Kuwait) Bulgarian Academy of Sciences (Bulgaria) Fonds National de la Recherche (Luxembourg) National Research Council of Canada (Canada) Institut Kimia Malaysia (Malaysia) Sociedad Chilena de Química (Chile) Academy of Sciences of Mozambique (Mozambique) Chinese Chemical Society (China) Koninklijke Nederlandse Chemische Vereniging (Netherlands) Chemical Society located in Taipei (China) Royal Society of New Zealand (New Zealand) Croatian Chemical Society (Croatia) Chemical Society of Nigeria (Nigeria) Sociedad Cubana de Química (Cuba) Norsk Kjemisk Selskap (Norway) Pancyprian Union of Chemists (Cyprus) Chemical Society of Pakistan (Pakistan) Czech National Committee for Chemistry (Czech Republic) Polska Akademia Nauk (Poland) Det Kongelige Danske Videnskabernes Selskab (Denmark) Sociedade Portuguesa de Química (Portugal) National Committee for IUPAC (Egypt) Colegio de Químicos de Puerto Rico (Puerto Rico) Chemical Society of Ethiopia (Ethiopia) Russian Academy of Sciences (Russia) Suomen Kemian Seura—Kemiska Sällskapet i Finland (Finland) Serbian Chemical Society (Serbia) Comité National Français de la Chimie (France) Slovak Chemical Society (Slovakia) Deutscher Zentralausschuss für Chemie (Germany) Slovenian Chemical Society (Slovenia) Association of Greek Chemists (Greece) National Research Foundation (South Africa) Hungarian Academy of Sciences (Hungary) Ministerio de Educación y Ciencia (Spain) Indian National Science Academy (India) Institute of Chemistry, Ceylon (Sri Lanka) Royal Irish Academy (Ireland) Svenska Nationalkommittén för Kemi (Sweden) Israel Academy of Sciences and Humanities (Israel) Swiss Chemical Society (Switzerland) Tanzania Chemical Society (Tanzania) Chemical Society of Thailand (Thailand) Société Chimique de Tunisie (Tunisia) Türkiye Kimya Dernegi (Turkey) National Academy of Sciences of Ukraine (Ukraine) Royal Society of Chemistry (United Kingdom) INTERNATIONAL UNION OF National Academy of Sciences (USA) PURE AND APPLIED CHEMISTRY Programa de Desarrollo de Ciencias Básicas (Uruguay)