62951-80-8 N,N-Dimethyl-DL-leucine-4-antipyrineamide PK 1 (pharmaceutical) Pentanamide, N-(2,3-dihydro-1,5-dimethyl-3-oxo-2-phenyl-1H-pyrazol-4-yl)-2-(dimethylamino)-4-methyl-, (+-)-