发明授权
US4847377A Substituted-2,3-dihydro-6-substituted-pyrimido[2,1-F]-purine- 4,8(1H,9H)-diones 失效
取代的2,3-二氢-6-取代的嘧啶并[2,1-F] - 嘌呤-4,8(1H,9H) - 二

Substituted-2,3-dihydro-6-substituted-pyrimido[2,1-F]-purine-
4,8(1H,9H)-diones
摘要:
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.
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