2-Azidoethyl 2-bromoisobutyrate

2-Chloroallyl 2-fluoro-2-oxoacetate

2-氯丙烯 2-氟-2- 乙醛酸

2-Fluoro-6-iodobenzaldehyde

2-氟-6-碘苯甲醛

2-Iodophenylboronic acid

2-碘苯硼酸

2-Nitro-6-(trifluoromethyl)aniline

α,α,α-Trifluoro-6-nitro-ortho-toluidine

2,2-Dimethyl-2H-1-benzopyran-6-carbonitrile

2,2-二甲基-2H-1-苯并吡喃-6-甲腈

2,3,4,5,6-Pentafluorobenzylphosphonic acid

2,3,4,5,6-五氟苄基膦酸

2,4-Dichloropyridine-3-carboxylic acid

2,4-二氯烟酸

2,5-Dibromopyrimidine

2,9-Bis[2-(4-fluorophenyl)ethyl]anthra[2,1,9-def:6,5,10-d′e′f′]diisoquinoline-1,3,8,10(2H,9H)tetrone

2,9-双[2-(4-氟苯基)乙基]蒽[2,1,9-def:6,5,10-d′e′f′]二异喹啉-1,3,8,10(2H,9H)四元