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    —— (4-amino-3-methyl-phenoxy)-acetic acid ethyl ester; hydrochloride —— C11H15NO3*ClH
    (4-amino-3-methyl-phenoxy)-acetic acid ethyl ester; hydrochloride
    —— 4-(methylsulfonyl)-3,4-dihydro-2H-benzo[b][1,4]oxazine-7-carboxylic acid —— C10H11NO5S
    4-(methylsulfonyl)-3,4-dihydro-2H-benzo[b][1,4]oxazine-7-carboxylic acid
    —— (4-tert-butylphenyl)acetic acid tert-butyl ester —— C16H24O2
    (4-tert-butylphenyl)acetic acid tert-butyl ester
    —— 4-(9-methoxymethoxynonyl)-2,2-dimethyl-1,3-dioxolane —— C16H32O4
    4-(9-methoxymethoxynonyl)-2,2-dimethyl-1,3-dioxolane
    —— 4-(4-azido-2-fluoro-phenyl)-3,6-dihydro-2H-pyran —— C11H10FN3O
    4-(4-azido-2-fluoro-phenyl)-3,6-dihydro-2H-pyran
    —— 4-(4-(2-hydroxyethyl)piperizin-1-yl)-N-(3,4-dimethoxyphenyl)-2-(methylthio)pyrimidine-5-carboxamide —— C20H27N5O4S
    4-(4-(2-hydroxyethyl)piperizin-1-yl)-N-(3,4-dimethoxyphenyl)-2-(methylthio)pyrimidine-5-carboxamide
    —— 4-amino-8-nitropyrimido[4,5-b]-1,4-benzothiazepine —— C11H7N5O2S
    4-amino-8-nitropyrimido[4,5-b]-1,4-benzothiazepine
    —— 4"-O-[trans-β-(2-furyl)acrylamido]carbamoyl-azithromycin 11,12-cyclic carbonate —— C47H76N4O16
    4"-O-[trans-β-(2-furyl)acrylamido]carbamoyl-azithromycin 11,12-cyclic carbonate
    —— 4,4-dimethyl-(2-pyridylmethyl)-2-oxazoline —— C11H14N2O
    4,4-dimethyl-(2-pyridylmethyl)-2-oxazoline
    —— (4-methyl-pent-4-en-2-ynyl)-trityl ether —— C25H22O
    (4-methyl-pent-4-en-2-ynyl)-trityl ether
    —— 4-((S)-3-(((R)-1-(naphthalen-1-yl)ethyl)amino)pyrrolidin-1-yl)benzoic acid —— C23H24N2O2
    4-((S)-3-(((R)-1-(naphthalen-1-yl)ethyl)amino)pyrrolidin-1-yl)benzoic acid
    —— 4-(n-pentylthio)-2-phenylquinoline —— C20H21NS
    4-(n-pentylthio)-2-phenylquinoline
    —— 4-(isopropylcarbamoyl)phenyl acetate —— C12H15NO3
    4-(isopropylcarbamoyl)phenyl acetate
    —— 4-(2-carbamoyl-5-(3,6,6-trimethyl-4-oxo-4,5,6,7-tetrahydro-1H-indazol-1-yl)phenylamino)cyclohexyl 3-(tert-butoxycarbonylamino)propanoate —— C31H43N5O6
    4-(2-carbamoyl-5-(3,6,6-trimethyl-4-oxo-4,5,6,7-tetrahydro-1H-indazol-1-yl)phenylamino)cyclohexyl 3-(tert-butoxycarbonylamino)propanoate
    —— 4-(3-(4-chlorophenyl)-5-(naphthalen-2-yl)-4,5-dihydro-1H-pyrazol-1-yl)benzenesulfonamide —— C25H20ClN3O2S
    4-(3-(4-chlorophenyl)-5-(naphthalen-2-yl)-4,5-dihydro-1H-pyrazol-1-yl)benzenesulfonamide
    —— 4-(perfluoro-n-propyl)thiophenol —— C9H5F7S
    4-(perfluoro-n-propyl)thiophenol
    —— 4-<3-(4-hydroxy-3-methoxyphenyl)-1-oxo-2-propenyl>-3-phenylsydnone —— C18H14N2O5
    4-<3-(4-hydroxy-3-methoxyphenyl)-1-oxo-2-propenyl>-3-phenylsydnone
    —— 4-methoxybenzyl 5-amino-1-ethyl-6-oxo-1,6-dihydropyridazine-3-carboxylate —— C15H17N3O4
    4-methoxybenzyl 5-amino-1-ethyl-6-oxo-1,6-dihydropyridazine-3-carboxylate
    —— 4-((3,5-dimethylpiperidin-1-yl)sulfonyl)-N-(5-(4-fluorophenyl)-1,3,4-oxadiazol-2-yl)benzamide —— C22H23FN4O4S
    4-((3,5-dimethylpiperidin-1-yl)sulfonyl)-N-(5-(4-fluorophenyl)-1,3,4-oxadiazol-2-yl)benzamide
    —— 4-isopropylidene-1-(4-methylbenzenesulfonyl)-2,3,4,5-tetrahydro-1H-azepine —— C16H21NO2S
    4-isopropylidene-1-(4-methylbenzenesulfonyl)-2,3,4,5-tetrahydro-1H-azepine
    —— 4-benzyl-1-methyl-1,2,4-triazolo[4,3-a]quinoxaline —— C17H14N4
    4-benzyl-1-methyl-1,2,4-triazolo[4,3-a]quinoxaline
    —— 4-(2-fluorobenzyl)-2,6-dimethoxypyrimidine —— C13H13FN2O2
    4-(2-fluorobenzyl)-2,6-dimethoxypyrimidine
    —— 4-chloro-N-(4-(ethylsulfonamido)-3-methoxylphenyl)-3-nitrobenzamide —— C16H16ClN3O6S
    4-chloro-N-(4-(ethylsulfonamido)-3-methoxylphenyl)-3-nitrobenzamide
    —— (4S,5S)-4-Butyryloxy-5-(cyclohexylmethyl)pyrrolidin-2-one —— C15H25NO3
    (4S,5S)-4-Butyryloxy-5-(cyclohexylmethyl)pyrrolidin-2-one
    —— 4(R)5(S)-4-acetyl-5-(4(S)-2,2-dimethyl-[1,3]-dioxolane-4-yl)-1,3-diphenyl-4,5-dihydro-1H-pyrazole —— C22H24N2O3
    4(R)5(S)-4-acetyl-5-(4(S)-2,2-dimethyl-[1,3]-dioxolane-4-yl)-1,3-diphenyl-4,5-dihydro-1H-pyrazole
    —— 4(S)5(R)-4-acetyl-5-(4(S)-2,2-dimethyl-[1,3]-dioxolane-4-yl)-1,3-diphenyl-4,5-dihydro-1H-pyrazole —— C22H24N2O3
    4(S)5(R)-4-acetyl-5-(4(S)-2,2-dimethyl-[1,3]-dioxolane-4-yl)-1,3-diphenyl-4,5-dihydro-1H-pyrazole
    —— 4-(2,6-Difluorobenzylidene)-3,5-heptanedione —— C14H14F2O2
    4-(2,6-Difluorobenzylidene)-3,5-heptanedione
    —— 4-chloro-3-fluoro-4'-(p-n-propylphenyl)-biphenyl —— C21H18ClF
    4-chloro-3-fluoro-4'-(p-n-propylphenyl)-biphenyl
    —— 4-N-(γ-folyl)-1-(β-D-ribofuranosyl)cytosine sodium salt —— C28H29N10O10*Na
    4-N-(γ-folyl)-1-(β-D-ribofuranosyl)cytosine sodium salt
    —— 4'-[(3R)-1-azabicyclo[2.2.2]oct-3-yloxy]-1,1'-biphenyl-3-amine —— C19H22N2O
    4'-[(3R)-1-azabicyclo[2.2.2]oct-3-yloxy]-1,1'-biphenyl-3-amine
    —— 4-acetamido-3-acetoxy-1-tert-butylbenzene —— C14H19NO3
    4-acetamido-3-acetoxy-1-tert-butylbenzene
    —— 4-hydroxy-N-(4-hydroxyphenyl)benzenesulfonamide —— C12H11NO4S
    4-hydroxy-N-(4-hydroxyphenyl)benzenesulfonamide
    —— (4R,5R)-benzyl 4-(bromomethyl)-3,3-dimethyl-2-oxo-5-phenylpyrrolidine-1-carboxylate —— C21H22BrNO3
    (4R,5R)-benzyl 4-(bromomethyl)-3,3-dimethyl-2-oxo-5-phenylpyrrolidine-1-carboxylate
    —— 4-[bis-(2-hydroxy-propyl)-amino]-but-2-enoic acid [4-(3-chloro-4-fluoro-phenylamino)-3-cyano-7-methoxy-quinolin-6-yl]-amide —— C27H29ClFN5O4
    4-[bis-(2-hydroxy-propyl)-amino]-but-2-enoic acid [4-(3-chloro-4-fluoro-phenylamino)-3-cyano-7-methoxy-quinolin-6-yl]-amide
    —— (4S,5S)-2,2-dimethyl-4,5-diphenyl-1,3-dioxolane —— C17H18O2
    (4S,5S)-2,2-dimethyl-4,5-diphenyl-1,3-dioxolane
    —— 4-[4-(4-bromophenyl)-1-oxophthalazin-2(1H)-yl]-benzenesulfonamide —— C20H14BrN3O3S
    4-[4-(4-bromophenyl)-1-oxophthalazin-2(1H)-yl]-benzenesulfonamide
    —— 4-(3-hydroxy-4-methyl-phenylamino)-6-methoxy-7-(3-pyridin-4-yl-propoxy)-quinoline-3-carbonitrile hydrochloride —— C26H24N4O3*ClH
    4-(3-hydroxy-4-methyl-phenylamino)-6-methoxy-7-(3-pyridin-4-yl-propoxy)-quinoline-3-carbonitrile hydrochloride
    —— (4R,5S)-5-(4-chloro-phenyl)-4-methyl-oxazolidin-2-one 1182351-99-0 C10H10ClNO2
    (4R,5S)-5-(4-chloro-phenyl)-4-methyl-oxazolidin-2-one
    —— 4-methoxy-7-(2-(4-(3-((1,2,3,4-tetrahydroacridin-9-yl)amino)propyl)piperazin-1-yl)ethoxy)-2H-chromen-2-one —— C32H38N4O4
    4-methoxy-7-(2-(4-(3-((1,2,3,4-tetrahydroacridin-9-yl)amino)propyl)piperazin-1-yl)ethoxy)-2H-chromen-2-one
    —— 4-[(4-bromo-2-fluoro-5-hydroxyphenyl)amino]-5-oxo-6,11-dihydro-5H-pyrido[2,3-b][1,5]benzodiazepine-8-carbonitrile —— C19H11BrFN5O2
    4-[(4-bromo-2-fluoro-5-hydroxyphenyl)amino]-5-oxo-6,11-dihydro-5H-pyrido[2,3-b][1,5]benzodiazepine-8-carbonitrile
    —— 4-{4-[3-(4-chloro-3-trifluoromethyl-benzenesulfonylamino)-[1,2,4]triazin-5-yl]-phenoxy}-N-methylpyridine-2-carboxamide —— C23H16ClF3N6O4S
    4-{4-[3-(4-chloro-3-trifluoromethyl-benzenesulfonylamino)-[1,2,4]triazin-5-yl]-phenoxy}-N-methylpyridine-2-carboxamide
    —— 4-(2,6-diphenyl-pyran-4-ylidenemethyl)-2,6-diphenyl-pyranylium; perchlorate —— C35H25O2*ClO4
    4-(2,6-diphenyl-pyran-4-ylidenemethyl)-2,6-diphenyl-pyranylium; perchlorate
    —— 4-(4-(2-(4-(3-trifluoromethylphenyl)piperazinyl)ethyl)phenyl)thiazol-2-one —— C22H22F3N3OS
    4-(4-(2-(4-(3-trifluoromethylphenyl)piperazinyl)ethyl)phenyl)thiazol-2-one
    —— 4-bromo-2-(2,6-dichlorophenyl)-5-[(3,4-difluorobenzyl)oxy]pyridazin-3(2H)-one —— C17H9BrCl2F2N2O2
    4-bromo-2-(2,6-dichlorophenyl)-5-[(3,4-difluorobenzyl)oxy]pyridazin-3(2H)-one
    —— 4-[1-(4-carboxyphenethyl)-1,2,3,6-tetrahydropyridin-4-yl]-2-(4-fluorophenyl)-3-(pyridin-4-yl)-1H-pyrrole —— C29H26FN3O2
    4-[1-(4-carboxyphenethyl)-1,2,3,6-tetrahydropyridin-4-yl]-2-(4-fluorophenyl)-3-(pyridin-4-yl)-1H-pyrrole
    —— 4-bromo-N-(4-methoxyphenyl)-N-methylbenzamide —— C15H14BrNO2
    4-bromo-N-(4-methoxyphenyl)-N-methylbenzamide
    —— 4-hydroxy-1-(4-methoxybenzyl)-3-methyl-9H-carbazole —— C21H19NO2
    4-hydroxy-1-(4-methoxybenzyl)-3-methyl-9H-carbazole
    —— 4-(4,4-difluorocyclohexanecarboxamido)-N-(4-methoxycyclohexyl)-1H-pyrazole-3-carboxamide —— C18H26F2N4O3
    4-(4,4-difluorocyclohexanecarboxamido)-N-(4-methoxycyclohexyl)-1H-pyrazole-3-carboxamide
    —— 4'-methoxy-4-(tetrahydropyran-2-yloxy)chalcone —— C21H22O4
    4'-methoxy-4-(tetrahydropyran-2-yloxy)chalcone
    —— 4-Heptylaminomethyl-2,6-dimethoxy-phenol —— C16H27NO3
    4-Heptylaminomethyl-2,6-dimethoxy-phenol