Also, be sure to see the Game of Thrones Characters chart, here. Below is a simpler chart focusing only on the four main families. It primarily shows the royal bloodline with all the claimants and possible claimants, including popular fan theories (SPOILERS!). Click it to enlarge.
Other drugs, known as prodrugs, are activated by the action of CYP2D6. This enzyme also metabolizes several endogenous substances, such as hydroxytryptamines, neurosteroids, and both m-tyramine and p-tyramine which CYP2D6 metabolizes into dopamine in the brain and liver.
Tamoxifen will only be prescribed if your breast cancer has receptors within the cell that bind to the hormone oestrogen (known as oestrogen receptor positive or ER+ breast cancer). Tamoxifen works on the whole body (known as systemic treatment) and blocks the effects of oestrogen on the receptors.