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 4-Chloroisatoic anhydride Methyl 4,6-dimethyl-2-pyrone-5-carboxylate 5-(Ethoxycarbonyl)-4,6-dimethyl-alpha-pyrone Acifran
 2-(2-Benzothiazolyl)-6-methylphenol 5-Hydroxy-2-(4-hydroxyphenyl)-7-methoxychroman-4-one Methyl 4-(1,1-dioxothiomorpholino)benzoate 2-Sulfobenzoic acid cyclic anhydride
 4-Phenylbutyrolactone Phenylmaleic anhydride 5,6-Dihydro-1,4-dithiine-2,3-dicarboxylic anhydride (3-Oxo-1,3-dihydro-2-benzofuran-1-yl)acetic acid
 2-(Triphenylphosphoranylidene)succinic anhydride 2-[(2,5-Dimethylfuran-3-carbonyl)amino]benzoic acid 3-(2-Neopentylallyl)tetrahydrofuran-2,5-dione 2-(3-Oxo-1,3-dihydroisobenzofuran-1-yliden)acetic acid
 (R)-4-Phenyl-3-propionyl-2-oxazolidinone (S)-4-Phenyl-3-propionyl-2-oxazolidinone (R)-4-Isopropyl-3-propionyl-2-oxazolidinone (S)-4-Isopropyl-3-propionyl-2-oxazolidinone
 2-Chlorobenzyl succinimidyl carbonate 5-Nitroisatoic anhydride 4-Nitroisatoic anhydride D-Erythronolactone
 D-Histidine Benzhydrylsulfanyl acetic acid 6-Methyl-4-phenylchroman-2-one 2,2-Dimethyltetrahydrothiazole
 1,4-Benzodioxan-2-carboxylic acid N-Carbethoxyphthalimide 2-Phthalimidopropionic acid 1,3-Dithiane-2-carboxylic acid ethyl ester
 1,3-Dimethyl-5-cyanouracil 2,2,5-Trimethyl-1,3-dioxane-4,6-dione (S)-(+)-2-Hydroxy-4-phthalimidobutyric acid 1,3-Dimethyl-6-cyanouracil
 Benzofurazan-5-carbonitrile 3-(1,3-Benzodioxol-5-yl)-2-cyanoacrylic acid 6-Isopropyl-4-oxo-4H-chromene-3-carbonitrile N-Aminorhodanine
 5-Cyano-6-cyclohexyl-2-thiouracil 2-Oxo-4-phenyl-2,5-dihydro-3-furancarbonitrile 1,4-Dithiane-2-carbonitrile N-Amino-4-nitrophthalimide
 (1R)-(+)-2,10-Camphorsultam 2-Amino-1-benzylbenzimidazole (S)-4-(4-Aminobenzyl)-2-oxazolidinon 6-Amino-1,4-benzodioxane
 2-Amino-1-methylbenzimidazole 4-Aminoantipyrine hydrochloride 2-Amino-5-phenylpyrazine 3-Aminobenzaldehyde ethylene acetal
 2-Amino-4,7-dihydroxypteridine N,N-Dimethylindoline-5-sulfonamide (S)-4-(4-Hydrazinobenzyl)-2-oxazolidinone (2-Benzimidazolylthio)acetic acid hydrazide
 8-Methoxy-4-isochromanone 4-Isochromanone 6-Methoxy-4-chromanone 6-Nitro-4-chromanone
 7-Methoxy-4-chromanone 7-Nitro-4-chromanone 7-Bromo-4-chromanone 7-Chloro-4-chromanone
 5-Methoxy-4-chromanone 8-Methoxy-4-chromanone 8-Nitro-4-chromanone 8-Iodo-4-chromanone
 8-Bromo-4-chromanone 8-Chloro-4-chromanone 6-Hydroxycoumarin 5-Carboethoxy uracil
 6-Nitrophthalide 3-Propylidenephthalide 3-Bromophthalide 3-Phenylphthalide
 6-Aminophthalide 3-Amino-5-hydroxypyrazole Diethyl 3,5-pyrazoledicarboxylate 5-Amino-4-cyano-3-cyanomethylpyrazole
 3-Amino-4-bromopyrazole 1-Methyl-5-aminopyrazole 1-(2-Nitrophenylmethyl)-2-pyrrolecarboxaldehyde 4-Cyano-1-(2-hydroxyethyl)-1H-pyrazol-5-amine
 3-(Dimethylamino)pyrrolidine 2-(2,5-Dimethylpyrrol-1-yl)benzoic acid N-Benzyloxycarbonyloxysuccinimide 5-tert-Butyl-2-methyl-4-pyrrolidin-1-ylmethylfuran-3-carboxylic acid
 6-Oxo-1,6-dihydropyridazine-3-carboxylic acid 1-Naphthalen-1-yl-5-oxo-pyrrolidine-3-carboxylic acid 2-Formyl-4-furanboronic acid 1-(Triisopropylsilyl)pyrrole-3-boronic acid
 Trans-4-hydroxy-D-proline N-Boc-L-proline N-Acetyl-DL-proline N-Carbobenzoxy-L-proline tert-butyl ester
 Benzyloxycarbonyl-L-proline 4-nitrophenyl ester D-Proline methyl ester hydrochloride L-Proline methyl ester hydrochloride N-Acetyl-L-proline
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