Diantipyrylmethane1251-85-0100 % similar Ampyrone83-07-865 % similar 4-Iodoantipyrine129-81-763 % similar 4-Aminoantipyrine hydrochloride22198-72-760 % similar Propyphenazone479-92-560 % similar Aminopyrine58-15-160 % similar 4-Formylantipyrine950-81-260 % similar Ramifenazone3615-24-556 % similar Isopyrine hydrochloride18342-39-752 % similar Dipyrone68-89-347 % similar Dipyrone monohydrate5907-38-045 % similar Antipyrine60-80-044 % similar 2,5-Dimethyl-1-phenyl-1H-pyrrole-3-carboxaldehyde83-18-133 % similar 3,9-Dihydro-1,3-dimethyl-8-(phenylmethyl)-1H-purine-2,6-dione2879-15-432 % similar 3-Methyl-1-phenylpyrazolone19735-89-832 % similar Phenylbutazone sodium129-18-031 % similar