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 4-Ethyl-6-hydroxy-2-methylpyrimidine 2-Methyl-4-hydroxy-6-trifluoromethylpyrimidine 4-Amino-2-chloro-6-methyl-5-nitropyrimidine 2-Chloro-4-pyrimidinecarbonitrile
 4-Hydrazino-6-hydroxypyrimidine 4-Amino-6-chloropyrimidine-5-carboxaldehyde 4-Chloro-5-amino-6-hydrazinopyrimidine 4-Mercapto-5,6-diaminopyrimidine
 4,5-Diamino-6-chloropyrimidine 4,6-Dimethoxy-5-bromopyrimidine 2,4-Dibromopyrimidine 1-(2-Trifluoromethyl-phenyl)-pyrrole-2,5-dione
 (E)-5-(2-Carboxyvinyl)-2,4-dimethoxypyrimidine 2,5-Dimethoxy-3-tetrahydrofurancarboxaldehyde 4-Ethoxy-2-hydroxypyrimidine 2,5-Diformylfuran
 1-(2-Furyl)propan-1-one 2,4-Diethoxypyrimidine 1-(2-Furyl)-2-nitroethylene 4,5-Diamino-6-hydroxypyrimidine
 4-(4-Chloro-6-ethyl-2-pyrimidinyl)morpholine 1-(2-Aminophenyl)pyrrole 4-(4-Chloro-6-methyl-2-pyrimidinyl)morpholine 2-(4-Morpholino)aniline
 (S)-Prolinamide N-(4-Bromobutyl)phthalimide 1-Nitropyrazole N-Iodosuccinimide
 2-Chloroethylpyrrolidine hydrochloride 2-(2-Chloroethyl)-1-methylpyrrolidine hydrochloride 1-Methyl-5-nitrouracil 6-Methoxyuracil
 3,6-Dichloropyridazine D-Prolinamide 4-Bromo phthalimide Thiomorpholine
 2-Chlorobenzothiazole 3-Chloro-1,2-benzisoxazole 4-Bromo-6-(trifluoromethyl)benzimidazole-2-thiol 4-Bromo-6-(trifluoromethyl)benzimidazole
 1-(4-Nitrophenyl)-pyrrole-2,5-dione 3-(4-Nitrophenyl)pyrazole 3-(3-Nitrophenyl)pyrazole 1-(4-Nitrophenyl)imidazoline-2-thione
 1-(4-Nitrophenyl)imidazole 6-Nitrobenzimidazole 6,8-Dichlorochromanone 6-Methylchromanone
 6-Bromochromanone 6-Chlorochromanone 6,8-Dichlorochromone 6-Methylchromone
 6-Bromochromone 6-Chlorochromone Chromone 1-Hydroxybenzotriazole
 3 -(2-Chlorophenyl)-5-methylisooxazole N-Benzoylimidazole (2H)1,4-Benzothiazin-3(4H)-one Benzofuran-2-carbonyl chloride
 4-Naphthalen-1-yl-morpholine 1-(4-Bromophenyl)-2-pyrrolidinone N-(4-Bromophenyl)maleimide 1-[3-(Bromomethyl)phenyl]-1H-pyrrole
 4-Bromo-2-methylimidazole 2-(Bromomethyl)-1,3-benzothiazole 2-Bromofuran 5-Bromo-2,4-dimethyl-1,3-thiazole
 4-Bromo-3,5-dimethylisoxazole 5-(Bromoacetyl)-3-phenylisoxazole 4-(Bromoacetyl)-5-methyl-3-phenylisoxazole 5-(Bromoacetyl)-1,3-benzodioxolane
 4-Methoxy-2,5-dimethyl-3(2H)-furanone 2-Methyl-3-tetrahydrofuranthiol 2-Methyltetrahydro-3-furanone 2-Methyl-3-furanethiol
 4-Benzyl-2-morpholinecarbonyl chloride hydrochloride 1-Benzyl-1H-pyrrole-2,5-dione Benzofurazan-5-carbonyl chloride 3-Acetyl-5-(4-chlorophenyl)-2-methylfuran
 3-Acetyl-6-bromocoumarin 3-Methyl-1-phenylpyrazole 1-Phenylpyrazol 3,5-Dimethylpyrazole-1-carboxamide
 4-Antipyrinecarboxaldehyde 4-Bromo-3-methyl pyrazole 4-Methoxy-1,5-dihydropyrrol-2-one 2-(2-Oxo-pyrrolidin-1-yl)acetamide
 1-Phenylpyrrolidin-2-one 1-Octylpyrrolidin-2-one 5-Methanesulfonyl-6-nitro-3H-benzooxazol-2-one 5-Chloro-2-methylbenzooxazole
 3-Amino-2-methyl-4-oxo-azetidine-1-sulfonic acid Imidazo[1,2-b]pyridazine 5-(2-Ethoxyethyl)-4-methylthiazole 3H-Oxazolo[4,5-b]pyridin-2-one
 2-Oxo-imidazolidine-1-carbonyl chloride 1H-Pyrrole-2,3-dione 1,6-Naphthyridine 5,5-Dimethyloxazolidine-2,4-dione
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