伊曲茶碱是一种有效的，选择性的，可口服的A2A受体的选择性拮抗剂，在帕金森疾病模型试验中，Ki 值为 2.2 nM。它已被发现在治疗帕金森病中是有用的。它可减少长期使用经典抗帕金森药物如左旋多巴引起的运动障碍。它是咖啡因的一种类似物。
1,2-Diphenyldisulfane
(E)-3-(3,4-Dimethoxyphenyl)acrylic acid
(E)-8-(3,4-Dimethoxystyryl)-1,3-diethyl-7-methyl-3,7-dihydro-1H-purine-2,6-dione
1,3-Diethylurea
1,2-Dimethoxy-4-vinylbenzene
(E)-8-(3,4-Dimethoxystyryl)-1,3-diethyl-1H-purine-2,6(3H,7H)-dione
3,4-Dimethoxycinnamic Acid
(E)-N-(6-Amino-1,3-diethyl-2,4-dioxo-1,2,3,4-tetrahydropyrimidin-5-yl)-3-(3,4-dimethoxyphenyl)acrylamide
5,6-Diamino-1,3-diethylpyrimidine-2,4(1H,3H)-dione
6-Amino-1,3-diethyl-5-nitrosopyrimidine-2,4(1H,3H)-dione
6-Amino-1,3-diethylpyrimidine-2,4(1H,3H)-dione
