(2,4-Dinitrophenyl)acetic acid 2,4-Dinitrophenylacetic acid 4-09-00-01691 (Beilstein Handbook Reference) 643-43-6 AI3-01812 Acetic acid, (2,4-dinitrophenyl)- BRN 1990798 Benzeneacetic acid, 2,4-dinitro- DINITROPHENYL ACETATE EINECS 211-398-2 NSC 6225