1,4-Bis(Trimethylsilyl)-1,3-Butadiyne
1,8-Bis(dimethylamino)naphthalene
2,3-Difluoroaniline
2,3-Difluoropyridine
2,4,6-TRIFLUOROPYRIDINE
2,4-Dichloro-5-fluoropyrimidine
2,4-Dichloro-5-methoxypyrimidine
2,6-Diacetylpyridine
2-(2-Bromoethyl)-1,3-dioxane
2-(Methylthio)-5-pyrimidinecarboxylic Acid Ethyl Ester
2-(Trifluoromethyl)pyridine
2-Amino-3-acetylpyridine