Dipyrone monohydrate5907-38-0100 % similar Dipyrone68-89-394 % similar Aminopyrine58-15-154 % similar Diantipyrylmethane1251-85-045 % similar Ampyrone83-07-843 % similar 4-Iodoantipyrine129-81-742 % similar 4-Aminoantipyrine hydrochloride22198-72-741 % similar Propyphenazone479-92-541 % similar 4-Formylantipyrine950-81-241 % similar Ramifenazone3615-24-539 % similar Isopyrine hydrochloride18342-39-737 % similar Antipyrine60-80-030 % similar