138559-71-4 2-Propenoic acid, 3-(4-(3,3-dimethyl-1-triazenyl)phenyl)-, potassium salt 4-(3,3-Dimethyl-1-triazeno)cinnamic acid 4-(3,3-Dimethyl-1-triazeno)cinnamic acid, potassium salt DM-Cinn