Keywords: Tiglic-acid-3D-balls.png Ball-and-stick model of the tiglic acid molecule a naturally occurring unsaturated carboxylic acid closely related to angelic acid Derived from File Methacrylic-acid-3D-balls-A png and File Cis-but-2-ene-3D-balls png 2010-11-06 Jynto and Ben Mills Images by Jynto Tiglic acid |