2-氧代戊烷-15-二甲酸二乙酯, Diethyl 2-oxopentanedioate

2-Chloro-N,N-dimethylaniline

2-氯-N,N-二甲基苯胺

2-溴-6-甲氧基喹啉, 2-Bromo-6-methoxyquinoline

(1H-Pyrrolo[2,3-b]pyridin-6-yl)methanamine

2-Amino-4-hydroxythiophene-3-carbonitrile

Diethyl but-2-ynedioate

乙炔二羧酸二乙酯

1-Ethyl-1-methyl-4-oxopiperidin-1-ium iodide

4-Bromo-1-butyl-1H-pyrazole

2,6-Dibromo-3-methoxypyridine

2-Chloro-4-methoxy-6-methyl-3-nitropyridine