62951-79-5 N,N-Dimethyl-N-butyl-DL-leucine-4-antipyrineamide Pentanamide, N-butyl-N-(2,3-dihydro-1,5-dimethyl-3-oxo-2-phenyl-1H-pyrazol-4-yl)-2-(dimethylamino)-4-methyl-, (+-)- ULA 1