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Antipyrine60-80-0100 % similar Ampyrone83-07-845 % similar 3-Methyl-1-phenylpyrazolone19735-89-845 % similar Diantipyrylmethane1251-85-044 % similar 4-Iodoantipyrine129-81-744 % similar 4-Aminoantipyrine hydrochloride22198-72-742 % similar Propyphenazone479-92-542 % similar Aminopyrine58-15-142 % similar 2,3-Dihydro-1,5-dimethyl-3-oxo-2-phenyl-1H-pyrazole-4-carbaldehyde950-81-242 % similar 2,5-Dimethyl-1-phenylpyrrole83-24-939 % similar Ramifenazone3615-24-539 % similar Pirfenidone53179-13-838 % similar 2,5-Dimethyl-1-phenyl-1H-pyrrole-3-carboxaldehyde83-18-138 % similar 4-Acetylaminoantipyrine83-15-838 % similar Isopyrine hydrochloride18342-39-737 % similar 3,5-Dimethyl-1-phenylpyrazole1131-16-436 % similar 1-Methyl-2(1H)-pyridinone694-85-933 % similar 1,3-Dimethyl-5-hydroxypyrazole5203-77-032 % similar Dipyrone68-89-332 % similar 1,2-Dimethylindole875-79-631 % similar