English name mifepristone
English alias RU - 38486; Lunarette; RU - 486.
CAS RN) 84371-65-3
Molecular formula C29H35NO2
The molecular weight of 429.5937
For the new progestogen mifepristone and progestational hormone, estrogen, androgen and anti-estrogen activity,
Can compete with progesterone receptor and the glucocorticoid receptor, for endometrial progesterone receptor affinity of five times stronger than progesterone,
For each period of pregnancy pregnant animals were induced labor effect, can be used as a non-surgical early pregnant medicine.