4,5-DIAMINO-6-HYDROXYPYRIMIDINE HEMISULFATE

4-Chloro-5-iodo-7H-pyrrol[2,3-d]pyrimidine

4′-Chloro-2,2′:6′,2′′-terpyridine

4,4'-Dipyridyl hydrate

4,6-Dichloro-3-methyl-isoxazolo[5,4-d]pyrimidine

4-METHOXY-7-AZAINDOLE

4-Formyl-2-pyridinecarbonitrile

4,4′-Dinonyl-2,2′-bipyridine

4,6-Dichloro-2-methyl-5-nitropyrimidine

4-Bromonicotinic acid

4-(4-Chlorobenzoyl)pyridine

4-HYDROXY-6-METHYLPYRIMIDINE

4-BROMOTHIENO[2,3-C]PYRIDINE-2-CARBOXYLIC ACID METHYL ESTER

4-Chlorothieno[3,2-d]pyrimidine

4,6-Dimethoxy-2-pyrimidinecarboxaldehyde

4-BROMO-3-METHOXYPYRIDINE

4-(AMINOMETHYL)-PYRIMIDINE HYDROCHLORIDE

4-CHLORO-6-METHYLTHIENO[2,3-D]PYRIMIDINE

4-Methyl-2-(trifluoroMethyl)pyriMidine

4H-Pyrazolo[3,4-d]pyrimidin-4-one, 1,5-dihydro-, sodium salt (1:1)

4-CHLORO-2-(METHYLSULFANYL)THIENO[3,2-D]PYRIMIDINE

4-(4-Chlorophenyl)-2(1H)-pyrimidinethione

4-CHLORO-7-METHYLTHIENO[3,2-D]PYRIMIDINE

4,5,6-TRIFLUOROPYRIMIDINE

4(1H)-Pyrimidinone, 6-hydroxy-5-methyl- (8CI,9CI)

4-N-Boc-aminocyclohexanone

4-Chlorotetrahydro-2H-pyran

4-(1-BROMOETHYL)-5-FLUOROPYRIMIDINE

4,6-Dichloro-2-(methoxymethyl)pyrimidine

4,5,6,7-TETRAHYDRO-BENZO[B]THIOPHENE-3-CARBOXYLIC ACID

4-CHLORO-6-IODO-THIENO[3,2-D]PYRIMIDINE

4-(Trifluoromethyl)pyrimidine-5-carboxylic acid

4-(1,1-Dimethylethyl)-6-(trifluoromethyl)-2-pyrimidinamine

4,6-Dihydroxy-2-(methylthio)pyrimidine

4,6-Dimethylpyrimidine-2-carbonitrile

4-METHOXYPYRIDINE-2-CARBOXYLIC ACID

4-Bromo-2-thiophenecarboxylic acid

4-CHLOROPYRIDO[2,3-D]PYRIMIDINE

4-CHLORO-2,6-DIPHENYLPYRIMIDINE

4-Chloro-2-pyridinemethanamine

4,6-DIIODOPYRIMIDINE

4-Chloronicotinic acid

4-HYDRAZINO-5-METHYLTHIENO[2,3-D]PYRIMIDINE

4-(2-FURYL)-2-PYRIMIDINETHIOL

4-(thiazol-2-yl)pyriMidin-2-ol

4-Bromomethyl-2,6-dichloro-pyrimidine

4-(thiophen-2-yl)pyriMidin-2-ol

4,6-BIS(DIFLUOROMETHOXY)-2-(METHYLTHIO)PYRIMIDINE

4-(prop-1-ynyl)pyrimidin-2-amine

4-[(tert-butoxycarbonylamino)methyl]-2-cyanopyridine

4-bromo-5-methoxypyrimidine

4-Chloro-2-ethoxy-5-methyl-pyrimidine

4-Bromo-3-ethoxypyridine

4-CHLORO-N-DIISOPROPYL-PYRIDINE-2-CARBOXAMIDE

4,5-DIAMINO-2-MERCAPTOPYRIMIDINE

4,6-DIHYDROXY-2-METHOXYPYRIMIDINE

4-(DIMETHYLAMINO)-1-(TRIFLUOROACETYL)-PYRIDINIUM TRIFLUOROACETATE

4-broMo-2-(trifluoroMethyl)pyriMidine

4-Pyridinecarbonitrile,2-formyl-(9CI)

4-bromo-3,5-difluoropyridine

4-METHOXY-3-(TRIISOPROPYLSILYL)PYRIDINE

4-Bromo-N-methyl-2-pyrimidinamine

4-chloro-7-fluoro-pyrido[4,3-d]pyrimidine

4-Pyridinemethanol, 1-oxide

4-AMINO-5-BROMOPYRROLO[2,3-D]PYRIMIDINE

4-chloro-2-(trifluoromethyl)pyrimidine-5-carboxylic acid