an Entity references as follows:
Not to be confused with Factor Inhibiting HIF Asparaginyl Hydroxylase Inhibitors Hypoxia-inducible factor prolyl hydroxylase Inhibitors (HIF-PHIs) also known as hypoxia-inducible factor stabilizers (HIF stabilizers) are members of a mostly experimental class of drugs that act by inhibiting hypoxia-inducible factor-proline dioxygenase (HIF prolyl-hydroxylase) which is responsible to break down the hypoxia-inducible factor (HIF) under conditions of normal oxygen concentrations.