Propyphenazone479-92-5100 % similar Ampyrone83-07-862 % similar Ramifenazone3615-24-560 % similar Diantipyrylmethane1251-85-060 % similar 4-Iodoantipyrine129-81-760 % similar 4-Aminoantipyrine hydrochloride22198-72-757 % similar Aminopyrine58-15-157 % similar 4-Formylantipyrine950-81-257 % similar Isopyrine hydrochloride18342-39-757 % similar Dipyrone68-89-343 % similar Antipyrine60-80-042 % similar Dipyrone monohydrate5907-38-041 % similar 2,5-Dimethyl-1-phenyl-1H-pyrrole-3-carboxaldehyde83-18-131 % similar 3-Methyl-1-phenylpyrazolone19735-89-830 % similar 1-(5-Methyl-1-phenyl-1H-pyrazol-4-yl)ethanone6123-63-330 % similar