prov:value
| - Various groups may be unsubstituted or substituted (i.e.,they are optionally substituted) as indicated.If an inventive compound is a base, a desired salt may be prepared by any suitable method known in the art, including treatment of the free base with an inorganic acid, such as hydrochloric acid, hydrobromic acid, sulfuric acid, nitric acid,phosphoric acid, and the like, or with an organic acid,
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