2-Carboxy-5-fluorophenylboronic acid

2-Chloro-3-pyridinyl 3-piperidinyl ether

2-Chloro-4-methoxypyridine-3-boronic acid

2-Chloro-5-methoxypyridine

2-chloro-6-methoxyquinoline-3-carboxylic acid

2-Chloropyrimidine-5-carboxylic acid

2-Cyano-4-(trifluoromethyl)phenylboronic acid

2-cyanobenzoyl chloride

2-Cyclopropyl-5-fluoro-6-methyl-4-pyrimidinol

2-Ethoxy-6-methylpyridine-3-boronic acid

2-Ethyl-6-nitro-2H-benzo[b][1,4]oxazin-3(4H)-one

2-Ethynyl-5-methoxypyridine

2-Fluoro-3-hydroxyphenylboronic acid

2-Fluoro-5-(trifluoromethyl)benzyl bromide

2-Furoylglycine

N-(2-糠酰)甘氨酸