Ampyrone83-07-8100 % similar 4-Aminoantipyrine hydrochloride22198-72-791 % similar Diantipyrylmethane1251-85-065 % similar 4-Iodoantipyrine129-81-765 % similar Propyphenazone479-92-562 % similar Aminopyrine58-15-162 % similar 4-Formylantipyrine950-81-262 % similar Ramifenazone3615-24-557 % similar Isopyrine hydrochloride18342-39-753 % similar Dipyrone68-89-345 % similar Antipyrine60-80-045 % similar Dipyrone monohydrate5907-38-043 % similar 2,5-Dimethyl-1-phenyl-1H-pyrrole-3-carboxaldehyde83-18-133 % similar 3-Methyl-1-phenylpyrazolone19735-89-833 % similar Chloridazon1698-60-832 % similar Pirfenidone53179-13-830 % similar Ebselen60940-34-330 % similar