Prevention of Breast Cancer with Selective Estrogen Receptor Modulators

摘要

The present invention provides a method of preventing breast cancer patient comprising administering a therapeutically effective amount of a compound of formula (I).; Formula I; Wherein R, R ¹ and R ² are independently hydroxy or alkoxy having from 1 to 4;; R ³ and R ⁴ are either methyl or ethyl independently, R ³ and R ⁴ are the blood together with the nitrogen atom to which they are joined Raleigh Gavel, methyl-pyrrolidino, dimethyl-pyrrolidino, piperidino, morpholino or hexamethylene already form a ring furnace.