2-氯-3-N,N-二乙基吡啶羧酰胺

2-Methyl-4H-pyrido[3,2-e][1,3]oxazin-4-one

2-氯-N-苯基烟酰胺

N-丁基-2-氯烟酰胺

2-(4-bromophenoxy)pyridine-3-carboxylic acid