بحث البنية الفرعية

Ethyl 5-amino-1-(2-fluorobenzyl)pyrazole-3-carboxylate

2-(2,5-dichlorophenyl)-5-(pentafluorophenyl)-1,3,4-oxadiazole

2-amino-6-fluoro-benzoic acid N′-(2-fluoro-phenyl)-hydrazide

4-fluoro-1-(2-fluoro-phenyl)-1H-indazol-3-ol

title compound

3,5-Dimethyl-benzoic acid N-tert-butyl-N′-(4-ethyl-2-fluoro-benzoyl)-hydrazide

tert-Butyl 2-(2-fluoro-4-nitrobenzoyl)-2-methylhydrazinecarboxylate

2-Fluoro-N-methyl-4-nitrobenzohydrazide

desired product

3-amino-6-bromo-N-(2-fluorophenylcarbonyl)pyrazine-2-carbohydrazide