1-(2-Chlorophenyl)-3-methyl-1H-pyrazole-4,5-dione 4-((4-dodecylphenyl)hydrazone) 1-(2-Chlorophenyl)-3-methyl-4-((4-dodecylphenyl)hydrazo)pyrazol-5-one 1H-Pyrazole-4,5-dione, 1-(2-chlorophenyl)-3-methyl-, 4-((4-dodecylphenyl)hydrazone) 68239-62-3 EINECS 269-455-2