1,2-Dihydro-1,5-dimethyl-4-(methylamino)-2-phenyl-3H-pyrazol-3-one 3H-Pyrazol-3-one, 1,2-dihydro-1,5-dimethyl-4-(methylamino)-2-phenyl- 4-(Methylamino)antipyrine 4-Methylaminophenazone 4-Monomethylaminoantipyrine 4-Monomethylaminophenazone 5-25-14-00116 (Beilstein Handbook Reference) 519-98-2 ANTIPYRINE, 4-(METHYLAMINO)- BRN 0195234 EINECS 208-281-3 Methylaminoantipyrine Methylaminophenazone Monomethylaminoantipyrine N-Methylaminoantipyrine N-Methylaminophenazone N.A.P. Noramidopyrine Noraminopyrine