2.4-Dinitro-phenylhydrazon des 2-Methyl-2-phenyl-butanons-(3); 2.4-Dinitro-phenylhydrazon des 3-Methyl-3-phenyl-2-butanons; 3-Methyl-3-phenyl-butan-2-on-<2.4-dinitro-phenylhydrazon>; N-[1,2-Dimethyl-2-phenyl-prop-(Z)-ylidene]-N'-(2,4-dinitro-phenyl)-hydrazine; 3-Methyl-3-phenyl-butan-2-on-(2,4-dinitro-phenylhydrazon)