Synonyms: SP 125;3-Pyrazolin-5-one, 4-butyl-1,2-diphenyl-3-hydroxy-, 3,4-methylenedioxybenzoate (ester);4-Butyl-1,2-dihydro-5-((3,4-methylenedioxybenzoyl)oxy)-1,2-diphenyl-3H-pyrazol-3-one;4-Butyl-1,2-diphenyl-3-hydroxy-3-pyrazolin-5-one 3,4-methylenedioxybenzoate (ester);1,3-Benzodioxole-5-carboxylic acid, 2,5-dihydro-4-butyl-1,2-diphenyl-5-oxo-1H-pyrazol-3-yl ester;AC1L1JPW;LS-34653;(4-butyl-5-oxo-1,2-diphenylpyrazol-3-yl) 1,3-benzodioxole-5-carboxylate;87792-15-2