1-Bromo-3,4-dichlorobenzene
1-Cyano-4,5-dimethoxybenzocyclobutene
1-methyl-1H-Pyrrole-2,5-dione
2,4,5-Trichloropyrimidine
2,4-Dichloro-5-bromopyrimidine
2,4-Dichloro-5-fluoropyrimidine
2,4-dichloro-5-nitropyrimidine
2,4-Dichloropyrimidine
2,6-Dihydroxy-5-fluoro-3-cyano-pyridine
2-Amino-5-nitropyrimidine
2-Chloro-4-amino-5-fluoropyrimidine