abstract |
The present invention provides (R) -3- (4- (7H-pyrrolo [2,3-d] pyrimidin-4-yl) -1H-pyrazol-1-yl) -3-cyclopentylpropanitrile salt forms which are useful in the modulation of the activity of Janus kinase which includes, for example, diseases related to the immune system, skin disorders, myeloid proliferative disorders, cancer, and other diseases. |