Non-steroid progestogen receptor regulator, preparation thereof, pharmaceutical compositions and uses

The invention relates to a modulator of nonsteroidal progesterone receptor with a structure of the general formula I or an acceptable salt on pharmacy and a preparation method thereof. The invention also relates to drug combination including compounds of the general formula I or an acceptable salt on pharmacy thereof and the antagonist activity of progesterone receptor which is provided by the compounds of the general formula I or the acceptable salt on pharmacy thereof therefore, the invention can be used for preparing nonsteroidal drugs to prevent and (or) or treat symptoms or diseases such as secondary amenorrhea, functional bleeding disorder, uterine fibroids, endometriosis, polycystic ovary syndrome, breast cancer, contraceptive, induced labor, and termination of pregnancy, etc.