3-Methyl-1-(2,2,2-trifluoroethyl)-1H-pyrazol-5-amine

2',5'-二氯苯乙酮肟, 2',5'-Dichloroacetophenone oxime

2-氯-3-甲基苯胺, 2-Chloro-3-methylaniline

2,3-Difluoro-1,4-diiodobenzene

2-Chloropropionitrile

2-氯丙腈

3-Fluoro-5-hydroxybenzaldehyde

2-氨基-4,6-二氯-5-甲基嘧啶, 2-Amino-4,6-dichloro-5-methylpyrimidine

2-Chloro-5-methylpyrimidine

2-氯-5-甲基嘧啶

Ethyl 4-chloropyrimidine-5-carboxylate

4-氯-5-嘧啶甲酸乙酯

2-氨基-6-溴-1,8-萘啶, 2-Amino-6-bromo-1,8-naphthyridine

1H-Thieno[3,2-d]pyrimidine-2,4-dione

1H-噻吩并[3,2-d]嘧啶-2,4-二酮