The compounds of formula I and the pharmaceutically acceptable salts thereof inhibit the effects of VEGF, a property of value in the treatment of a number of {HEAD ~ diseases} states including {TAIL ~ cancer} and rheumatoid arthritis 
The compounds of formula I and the pharmaceutically acceptable salts thereof inhibit the effects of VEGF , a property of value in the treatment of a number of { HEAD ~ diseases } states including { TAIL ~ cancer } and rheumatoid arthritis
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