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 1,3-Dithiane 1,4-Butane sultone trans-4,5-Dihydroxy-1,2-dithiane 1,4-Dithiane-2,5-diol
 1,4-Thioxane 3-Sulfolene 1,3,4,6-Tetrathiapentalene-2,5-dione 1,3,5-Trithiane
 1,3-Dithiolane 1,3-Propanediol cyclic sulfate 1,3,2-Dioxathiolane 2,2-dioxide 2,2,4,4-Tetrafluoro-1,3-dithietane
 2,7-Di-tert-butyl-9,9-dimethylxanthene 4,5-Dibromo-2,7-di-tert-butyl-9,9-dimethylxanthene 2,4,6-Triphenylpyrylium tetrafluoroborate 9-Phenyl-9-xanthenol
 9,9-Dimethylxanthene 4,5-Diphenyl-1,3-dioxol-2-one Xanthene-9-carboxylic acid Xanthydrol
 Xanthene Xanthone 3-Oxaspiro[5,5]undecane-2,4-dione 2-Phenyl-1,3-dioxan-5-ol
 2-Aminomethyl-1,4-benzodioxane 6-Hydroxy-3-coumaranone 2,2-Dimethyl-1,3-dioxolane-4-methanamine 1,3-Dihydroxyacetone dimer
 cis-4,7-Dihydro-1,3-dioxepin 1,2,3-Propanetriol, 1,3(or 2,3)-O-methylene- Trimethylene oxide N4-Benzoyl-5′-O-(4,4′-dimethoxytrityl)-2′-deoxycytidine
 Hexetidine 5-(2-Ethoxyphenyl)-1-methyl-3-n-propyl-1,6-dihydro-7H-pyrazolo[4,3-d]-7-pyrimidinone 2,4,6-Tri-tert-butylpyrimidine N4-Benzoyl-2′-deoxycytidine
  4,6-Dihydroxy-2,5-diphenylpyrimidine p-Methoxybenzyl S-(4,6-dimethylpyrimidin-2-yl) thiocarbonate Ethyl 4-(4-fluorophenyl)-1,2,3,4-tetrahydro-6-methyl-2-oxo-5-pyrimidinecarboxylate Bupirimate
 Pyrimidine, 4,6-dichloro-5-methyl-2-(methylsulfonyl)- 2-Amino-4,6-dichloro-5-ethylpyrimidine 2-Isopropyl-5-phenyltetrazole Pyrimidine, 2,4,6-trichloro-5-ethyl-
 5-Pyrimidinecarboxaldehyde, 2,4-dichloro- 2-(Methylsulfonyl)pyrimidine O,O′-Bis(trimethylsilyl)thymine Sulfamerazine
 Sulfamerazine sodium salt N4-Benzoylcytosine  2-Aminoperimidine hydrobromide hydrate 6-Phenyl-4-pyrimidinecarboxylic acid
 5-(4-Formylphenyl)pyrimidine 6-Amino-1,3-dipropyluracil 5-Bromo-2-(tert-butyldimethylsilyl)pyrimidine 5′-Deoxythymidine
 3′-Deoxythymidine  4-Amino-2-(1-piperidinyl)pyrimidine-5-carbonitrile 4-Phenylpyrimidine  Orotic acid zinc salt dihydrate
 Ethyl (6-amino-1,2,3,4-tetrahydro-1,3-dimethyl-2,4-dioxo-5-pyrimidinyl)carbamate 2′,3′-Dideoxyuridine 2′,3′-Dideoxy-3′-fluorouridine 4,5-Diamino-6-hydroxypyrimidine hemisulfate salt
 1,3-Diethyl-2-thiobarbituric acid 6-Methyl-5-propyl-4(3H)-pyrimidinone 2-Isopropyl-6-methyl-4-pyrimidinol Ethyl 2-amino-4-methylpyrimidine-5-carboxylate
 3,4-Dihydro-2-pyridol[1,2-a]pyrimidinone 1,5,7-Triazabicyclo[4.4.0]dec-5-ene 2,4,6-Trimethoxypyrimidine 2,4-Dimethoxy-6-methylpyrimidine
 2,4-Dimethoxy-5-methylpyrimidine Thymine-1-acetic acid Ethyl 5-pyrimidinecarboxylate 5,6-Diamino-1,3-dimethyluracil hydrate
 2-Amino-5,6-dimethyl-4-hydroxypyrimidine 4-Methyl-2-(methylthio)pyrimidine 2,4-Dihydroxy-5,6-dimethylpyrimidine 1,3-Dimethyluracil
 5,6-Dimethyl-2-thiouracil  4-Hydroxy-2,6-dimethylpyrimidine 2-Hydroxy-4,6-dimethylpyrimidine hydrochloride 1,3-Dimethyl-5-nitrouracil hydrate
 5-Fluoro-1,3-dimethyluracil 5-Acetyluracil (2-Pyrimidylthio)acetic acid Methyl pyrimidine-5-carboxylate
 5-Vinyluracil 4-Hydroxy-2-(methylthio)-6-(trifluoromethyl)pyrimidine (E)-5-(2-Bromovinyl)uracil 6-Amino-1-methyl-5-nitrosouracil
 4,6-Dihydroxy-5-methylpyrimidine 1-Methyluracil 4-Aminopyrazolo[3,4-d]pyrimidine 5-Aminoorotic acid
 2-Hydrazino-4-(trifluoromethyl)pyrimidine  4-Amino-5-pyrimidinecarbonitrile 1,2,4-Triazolo[1,5-a]pyrimidine Orotic acid monohydrate
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