4-(N-Nicotinoylaminoacetylamino)-1-phenyl-2,3-dimethyl-pyrazolon-(5) hydrochlorid [German] 95873-63-5 EINECS 306-053-9 N-(2-((2,3-Dihydro-1,5-dimethyl-3-oxo-2-phenyl-1H-pyrazol-4-yl)amino)-2-oxoethyl)nicotinamide monohydrochloride Nicopyron Nicotinamide, N-((antipyrinylcarbamoyl)methyl)-, hydrochloride