VASOVIST (gadofosveset trisodium) Injection is a sterile, nonpyrogenic, formulation of a stable gadolinium diethylenetriaminepentaacetic acid (GdDTPA) chelate derivative with a diphenylcyclohexylphosphate group. Each mL of VASOVIST Injection contains 244 mg of gadofosveset trisodium (0.25 mmol), 0.27 mg of fosveset, and water for injection.

Pentetate calcium trisodium injection contains the sodium salt of calcium diethylenetriaminepenta-acetate. Pentetate calcium trisodium is also known as trisodium calcium diethylenetriaminepenta-acetate and is commonly referred to as Ca-DTPA (pentetate calcium trisodium inj) . It has a molecular formula of Na3CaC14H18N3O10 and a molecular weight of 497.4 Daltons. It is represented by the following structural formula:

Pentetate zinc trisodium injection contains the sodium salt of zinc diethylenetriaminepentaacetate. Pentetate zinc trisodium is also known as trisodium zinc diethylene-triaminepentaacetate and is commonly referred to as Zn-DTPA (pentetate zinc trisodium injection) . It has a molecular formula of Na3ZnC14H18N3O10 and a molecular weight of 522.7 Daltons. It is represented by the following structural formula:

ABLAVAR (gadofosveset trisodium) Injection is a sterile, nonpyrogenic, formulation of a stable gadolinium diethylenetriaminepentaacetic acid (GdDTPA) chelate derivative with a diphenylcyclohexylphosphate group. Each mL of ABLAVAR Injection contains 244 mg of gadofosveset trisodium (0.25 mmol), 0.268 mg of fosveset, and water for injection.