19518-94-6 EINECS 243-122-1 N-(2,3-Dihydro-1,5-dimethyl-3-oxo-2-phenyl-1H-pyrazol-4-yl)-2-(dimethylamino)propionamide, compound with 4-butyl-1,2-diphenylpyrazolidine-3,5-dione (1:1)