阿哌卡朋是一种作为儿茶酚胺O-甲基转移酶（COMT）抑制剂的药物。与左旋多巴联合应用于帕金森病患者。
3,4-Dihydroxy-5-nitrobenzoic acid
4-Hydroxy-3-methoxy-5-nitrobenzoic acid
4,6-Dimethyl-2-oxo-1,2-dihydropyridine-3-carbonitrile
2,5-Dichloro-4,6-dimethylnicotinonitrile
5-Chloro-2-hydroxy-4,6-dimethylnicotinonitrile
2,5-Dichloro-3-(5-(3,4-dihydroxy-5-nitrophenyl)-1,2,4-oxadiazol-3-yl)-4,6-dimethylpyridine 1-oxide
2-Cyanoacetamide
4-Hydroxy-3-methoxybenzoic acid
4-(3-(2,5-Dichloro-4,6-dimethylpyridin-3-yl)-1,2,4-oxadiazol-5-yl)-2-methoxy-6-nitrophenol
3,4-Bis(benzyloxy)-5-nitrobenzoic acid
2,5-Dichloro-3-(5-(4-hydroxy-3-methoxy-5-nitrophenyl)-1,2,4-oxadiazol-3-yl)-4,6-dimethylpyridine 1-oxide
