1-Phenyl-2,3-dimethyl-4-(beta-(p-aminobenzoyl)ethyl)pyrazol-5-one 24428-98-6 4-(2-(p-Aminobenzoyl)ethyl)antipyrine 5-25-16-00046 (Beilstein Handbook Reference) ANTIPYRINE, 4-(2-(p-AMINOBENZOYL)ETHYL)- BRN 0932002