a-pyridone

α-Pyridone (2-Hydroxypyridine) 是内源性代谢产物的一种。

NITD-916 是一种具有口服活性和高度亲脂性的分枝杆菌烯酰还原酶 InhA 抑制剂，IC50 为 570 nM。NITD-916是一种有有效的 4-羟基-2-吡啶酮衍生物， 与 InhA 和 NADH 形成三元复合物，阻止进入脂肪酰基底物结合袋。NITD-916 具有抗结核活性。

Pyridone 6 (JAK Inhibitor) 是一种泛JAK 抑制剂，有效抑制 JAK 激酶家族，对JAK2、TYK2、JAK3和JAK1的IC50分别为 1、1、5 和 15 nM。

ABT-255 is a novel 2-pyridone antimicrobial agent for the treatment of tuberculosis. Both drug-sensitive and drug-resistant strains of Mycobacterium tuberculosis showed efficacy in vitro and in vivo.

RG 14921 is a pyridone analog of erbstatin, epidermal growth factor (EGF) receptor tyrosine kinase, and cAMP-dependent kinase.

Iromycin A is a bacterial pyridone metabolite that inhibits nitric oxide synthase (NOS) activity, with selectivity for NOS III (endothelial NOS) over NOS I (neuronal NOS). Iromycin metabolites and derivatives block NADH oxidation in beef heart submitochondrial particles (IC50 = 0.461 μM for iromycin A).

Cap-dependent endonuclease-IN-16 是一种吡啶酮多环衍生物，也是一种 cap-dependent 核酸内切酶 (CEN) 的有效抑制剂。Cap-dependent endonuclease-IN-16 表现出潜力进行流感的研究 。

PD 163449 is a bioactive molecule of 4-pyridone group that inhibits bacterial type IIA topoisomerase (DNA gyrase and topoisomerase IV).

Paecilomide，吡啶酮生物碱，是一种乙酰胆碱酯酶 (acetylcholinesterase) 抑制剂。

HCT-116-IN-1, 一种与γ-内酰胺融合的吡啶酮衍生物，展现了针对HCT116细胞的强抗癌活性，其细胞毒性测定显示IC50值为5.59 μM。