Synonyms:
phenylbutazone calcium salt ; bis(4-butyl-3,5-dioxo-1,2-diphenylpyrazolidin-4-yl)calcium ; butazolidincalcium ; p241 ; da-241 ; 1,2-diphenyl-4-butyl-3,5-diketopyrazolidinecalciumsalt ; calcium phenylbutazone ; 5-pyrazolidinedione,4-butyl-1,2-diphenyl-calciumsalt ; calcium 4-butyl-1,2-diphenyl-3,5-pyrazolidinedione ; phenylbutazone calcium