4-氯-2-甲基吡啶1-氧化物

1-oxidopyridin-1-ium-2-carboxamide

(Z)-2-pyridinecarbaldehyde 1-oxide oxime

2-methyl-6-(6-methyl-1-oxidopyridin-2-ylidene)pyridin-1-ium 1-oxide

6-methylpyridine-2-carboxylic acid,hydrochloride