2-Bromo-5-formylbenzonitrile

草酸单乙酯, 2-Ethoxy-2-oxoacetic acid

Anthracene-2-carboxylic acid

2-蒽甲酸

2-Bromo-4-ethylpyridine

2-溴-4-乙基吡啶

六氢-1H-呋喃并[3,4-c]吡咯, Hexahydro-1H-furo[3,4-c]pyrrole

2,4-Dichloro-8-methoxyquinoline

2,6-Dibromo-3-methylpyridine

2-溴-4-甲基吡啶-3-甲腈, 2-Bromo-4-methylnicotinonitrile

3-Methyl-3,4-dihydroquinazolin-2(1H)-one

3,4-二氢-3-甲基-2(1H)-喹唑啉酮

6-氯-1-甲基-1H-吲哚-5-羧酸, 6-Chloro-1-methyl-1H-indole-5-carboxylic acid