Synonyms: Exrheudon-dragees;77306-13-9;AC1Q1VPP;Methanesulfonic acid, ((2,3-dihydro-1,5-dimethyl-3-oxo-2-phenyl-1H-pyrazol-4-yl)methylamino)-, sodium salt, mixt. with 4-butyl-1,2-diphenyl-3,5-pyrazolidinedione and 5-ethyl-5-phenyl-2,4,6(1H,3H,5H)-pyrimidinetrione;sodium; 4-butyl-1,2-diphenyl-pyrazolidine-3,5-dione; [(1,5-dimethyl-3-oxo-2-phenyl-pyrazol-4-yl)-methyl-amino]methanesulfonate; 5-ethyl-5-phenyl-hexahydropyrimidine-2,4,6-trione;sodium; 4-butyl-1,2-diphenylpyrazolidine-3,5-dione; [(1,5-dimethyl-3-oxo-2-phenylpyrazol-4-yl)-methylamino]methanesulfonate; 5-ethyl-5-phenyl-1,3-diazinane-2,4,6-trione