85574-20-5
1-ethyl-2-carboxy-pyridinium betaine
→
~58%
19006-71-4
1-ethylpyridine-2-thione
88223-05-6
1-ethyl-2-iodopyridin-1-ium,iodide
13337-79-6
1-乙基-2(1h)-吡啶酮