Wikimedi'Òc

IUPAC Notation.JPG - Aquilla34~commonswiki

International Union of Pure and Applied Chemistry logo.svg - Elshad

History of polymers.tif - SPT Paul Topham

Fentanyl numbering.svg - Mplanine

Soviet postage stamp commemorating 1965 IUPAC meeting in Moscow - DPLA - ee4b848657857cd452bf806c0d457476.jpg - DPLA bot

TPGCequationsASTMandIUPAC.png - WalterSpeaksma

IUPAC Definition Logo.jpg - Stuchalk