2-乙基吡啶

1,3,15,17-tetraaza-6,9,12,20,23,26-hexaoxacyclooctacosane-2,16-dithione

2-三正丁基甲锡烷基吡啶

2-oxopropanoyl chloride

(R)-(+)-2-(1-羟乙基)吡啶