发明授权
US4666914A Anti-inflammatory and anti-allergic substituted-2,3-dihydro-6-(hydroxy)pyrimido[2,1-f]-purine-4,8(1H,9H)-dio nes 失效
抗炎和抗过敏的取代-2,3-二氢-6-(羟基)嘧啶并[2,1-f] - 嘌呤-4,8(1H,9H) - 二酮

Anti-inflammatory and anti-allergic
substituted-2,3-dihydro-6-(hydroxy)pyrimido[2,1-f]-purine-4,8(1H,9H)-dio
nes
摘要:
Substituted 2,3-dihydro-6-(hydroxy)pyrimido[2,1-f]purine-4,8(1H,9H)-diones their tautomers and salts, are anti-inflammatory and anti-allergy agents.Methods for their preparation and use are described.
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