Figure 3From: Characterization and Identification of Natural Terpenic Resins employed in “Madonna con Bambino e Angeli” by Antonello da Messina using Gas Chromatography–Mass Spectrometry TIC “ Madonna con Bambino e Angeli ” by Antonello da Messina. 1: azelaic acid; 2: palmitic acid; 3: stearic acid; 4: dehydroabietic acid; 5: 7-oxo-dehydroabietic acid. For experimental condition: see the text.Back to article page