1,2,3-triacetyl-5-deoxy-β-D-Riboturanose
1,6-Dibromopyrene
1-Bromopyrene
1-Hydroxypyrene
2',3'-Di-O-acetyl-5'-deoxy-5-fuluro-D-cytidine
2,3-dichloropyridine
2-Ethoxy-4,6-dichloro Pyrimidine
2-ethoxy-4-fluoro-6-hydrazinylpyrimidine
3,5-Dibromobenzaldehyde
3-(2,2,2-trifiuoroethoxy)pyridine-2suifonamide
3-chloro-2-hydrazylpyridine
4-allyloxy-2,2,6,6-tetramethylpiperidine