Substituted 2,3-dihydro-6-substituted-pyrimido[2,1-f]purine-4,8(1H,9H)-diones, their tautomers and salts, are disclosed for use as antihyperproliferative skin disease agents. Methods for their preparation and use are described.
本发明公开了用作抗高增殖性皮肤疾病药物的取代的2,3-二氢-6-取代
嘧啶[2,1-f]
嘌呤-4,8(1H,9H)-二酮及其互变异构体和盐。描述了其制备和使用的方法。