Testosterone phosphate (brand name Telipex Aquosum) is an androgen and

anabolic steroid Anabolic steroids, also known more properly as anabolic–androgenic steroids (AAS), are steroidal androgens that include natural androgens like testosterone (medication), testosterone as well as synthetic androgens that are structurally related ...

and a testosterone ester. Its

structure A structure is an arrangement and organization of interrelated elements in a material object or system, or the object or system so organized. Material structures include man-made objects such as buildings and machines and natural objects such as ...

is contained within polytestosterone phloretin phosphate.

References

Androgens and anabolic steroids Androstanes Phosphate esters Testosterone esters {{Steroid-stub