5-(4-NITROPHENYL)ISOXAZOLE

5-(4-PYRIDYL)-1,3-OXAZOLE

5-(5-BROMO-3-PYRIDYL)-1H-TETRAZOLE

5-(BROMOMETHYL)-4-METHYL-2-[4-(TRIFLUOROMETHYL)PHENYL]-1,3-THIAZOLE

5-DIMETHYLAMINO-2-METHYL-3-PENTYN-2-OL

ETHYL BENZOFUROXAN-5-CARBOXYLATE

5-(Ethylthio)-1-methyl-4-nitro-1H-imidazole

5-(ISOPROPYLSULFONYL)-2-(2-PYRIDYL)PYRIMIDIN-4-AMINE

5-(P-TOLYL)THIOPHENE-2-CARBOXYLICACIDMETHYLESTER

5-(TERT-BUTYLSULFONYL)-2-(2-PYRIDYL)PYRIMIDIN-4-AMINE