2-((5-(1,3-Benzodioxol-5-yl)-1-oxo-2,4-pentadienyl)amino)butanoic acid 90778-77-1 Butanoic acid, 2-((5-(1,3-benzodioxol-5-yl)-1-oxo-2,4-pentadienyl)amino)- Butyric acid, 2-(5-(3,4-(methylenedioxy)phenyl)-2,4-pentadienamido)-