April 28, 2009
Image of Mifepristone 3D Image of Mifepristone

Mifepristone, also known as RU-486, is a steroid derivative that was first developed as a contraceptive and for inducing abortions in pregnant women. It is quite controversial and has been banned in some countries. More recently, mifepristone derivatives have been studied for use in diagnostic imaging and treating breast cancer.

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