Synonyms: Benzoicacid, 3,4,5-trimethoxy-, ester with 4-butyl-3-hydroxy-1,2-diphenyl-3-pyrazolin-5-one(8CI); 3-Pyrazolin-5-one, 4-butyl-3-hydroxy-1,2-diphenyl-,3,4,5-trimethoxybenzoate (ester) (8CI);4-Butyl-1,2-diphenylpyrazol-3-en-5-one-3-(3',4',5'-trimethoxybenzoate); LH 150;LH 150 (pharmaceutical); Phenylbutazone trimethoxybenzoate; Phenylbutazonetrimethylgallate