1-Phenylethan-1-one (2,4-dinitrophenyl)hydrazone 1677-87-8 3-15-00-00470 (Beilstein Handbook Reference) ACETOPHENONE, (2,4-DINITROPHENYL)HYDRAZONE AI3-16299 Acetophenone (2,4-dinitrophenyl)hydrazone BRN 0761282 EINECS 216-831-9 Ethanone, 1-phenyl-, (2,4-dinitrophenyl)hydrazone NSC 6129