2,5-bis(ethylamino)cyclohexa-2,5-diene-1,4-dione

1,3-二丁基-2-乙氧基-4,5-二甲基-1,3,2-二氮杂磷杂环戊二烯

2-乙氧基-1-(2-吡啶基)乙酮

ethyl 6-iodopyridine-3-carboxylate

1,2-苯醌二肟