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    —— 4-(thien-3-yl)-7-[3-(2-methyl-4-methoxytetrahydro-2H-pyran4-yl)-2-propenyloxy]naptho[2,3-c]furan-1(3H)-one 167490-78-0 C26H26O5S
    4-(thien-3-yl)-7-[3-(2-methyl-4-methoxytetrahydro-2H-pyran4-yl)-2-propenyloxy]naptho[2,3-c]furan-1(3H)-one
    —— 4,4'-methanediyl-bis-acenaphthen-5-ol 14503-31-2 C25H20O2
    4,4'-methanediyl-bis-acenaphthen-5-ol
    —— 4-amino-6-(2-methoxyphenyl)-2-nitroaminopyrimidine-5-carbonitrile 1374981-21-1 C12H10N6O3
    4-amino-6-(2-methoxyphenyl)-2-nitroaminopyrimidine-5-carbonitrile
    —— 4-hydroxy-5-hydroxymethyl-5-methyl-2-oxy-4,5-dihydro-isoxazole-3-carboxylic acid ethyl ester 332080-20-3 C8H13NO6
    4-hydroxy-5-hydroxymethyl-5-methyl-2-oxy-4,5-dihydro-isoxazole-3-carboxylic acid ethyl ester
    —— 4-Oxo-pentanoic acid (2S,3R,4S,5R,6R)-2-ethylsulfanyl-4,5-dihydroxy-6-methyl-tetrahydro-pyran-3-yl ester 927680-56-6 C13H22O6S
    4-Oxo-pentanoic acid (2S,3R,4S,5R,6R)-2-ethylsulfanyl-4,5-dihydroxy-6-methyl-tetrahydro-pyran-3-yl ester
    —— (+-)-4,5,6,7,8,8-hexachloro-1t(?),2t(?)-epoxy-3c(?)-fluoro-(3ar,7ac)-3a,4,7,7a-tetrahydro-4c,7c-methano-indane 313-48-4 C10H5Cl6FO
    (+-)-4,5,6,7,8,8-hexachloro-1t(?),2t(?)-epoxy-3c(?)-fluoro-(3ar,7ac)-3a,4,7,7a-tetrahydro-4c,7c-methano-indane
    —— 4,4'-diphenylmethyl (phenylsulfonyl)methyl sulfoxide 132102-75-1 C20H18O3S2
    4,4'-diphenylmethyl (phenylsulfonyl)methyl sulfoxide
    —— 4-(4-chlorophenylthio)-3-amino-1,2-benzisoxazole 1426933-67-6 C13H9ClN2OS
    4-(4-chlorophenylthio)-3-amino-1,2-benzisoxazole
    —— 4-Bromo-5-(bromomethyl)-2-methoxypyridine 1805576-46-8 C7H7Br2NO
    4-Bromo-5-(bromomethyl)-2-methoxypyridine
    —— [(4-Methylphenyl)-(2-methyl-5-trimethylsilyloxy-1,3-oxazol-4-yl)methyl]-di(propan-2-yl)phosphane 272770-58-8 C21H34NO2PSi
    [(4-Methylphenyl)-(2-methyl-5-trimethylsilyloxy-1,3-oxazol-4-yl)methyl]-di(propan-2-yl)phosphane
    —— (4S)-3-[(1R,2R,5R)-4-(tert-butyldiphenylsilanyloxymethyl)-2-(3-hydroxypropyl)-2,5-dimethyl-3-cyclohexene-1-carbonyl]-4-isopropyloxazolidin-2-one 474025-98-4 C35H49NO5Si
    (4S)-3-[(1R,2R,5R)-4-(tert-butyldiphenylsilanyloxymethyl)-2-(3-hydroxypropyl)-2,5-dimethyl-3-cyclohexene-1-carbonyl]-4-isopropyloxazolidin-2-one
    —— 4-(4-chlorobenzenesulfonyl)-3-methylthiophene-2-carboxylic acid {(R)-1-[9-((1R,2S,3R,4S)-2,3-dihydroxy-4-propionylaminocyclopentyl)-6-(2,2-diphenylethylamino)-9H-purin-2-yl]pyrrolidin-3-yl}amide trifluoroacetate 955968-72-6 C2HF3O2*C43H45ClN8O6S2
    4-(4-chlorobenzenesulfonyl)-3-methylthiophene-2-carboxylic acid {(R)-1-[9-((1R,2S,3R,4S)-2,3-dihydroxy-4-propionylaminocyclopentyl)-6-(2,2-diphenylethylamino)-9H-purin-2-yl]pyrrolidin-3-yl}amide trifluoroacetate
    —— (4-{[4-(4-(tert-butyl)phenyl)thien-2-yl]carboxamido}phenyl)acetic acid 666721-76-2 C23H23NO3S
    (4-{[4-(4-(tert-butyl)phenyl)thien-2-yl]carboxamido}phenyl)acetic acid
    —— 4-Guanidinophenylbrenztraubensaeure 54050-85-0 C10H11N3O3
    4-Guanidinophenylbrenztraubensaeure
    —— 4-[3-{4-[(2-chlorobenzyl)oxy]-3-methoxybenzyl}-7-fluoro-6-[2-fluoro-1-(fluoromethyl)ethoxy]-2,4-dioxo-3,4-dihydroquinazolin-1(2H)-yl]piperidine-1-carbaldehyde 1162650-74-9 C32H31ClF3N3O6
    4-[3-{4-[(2-chlorobenzyl)oxy]-3-methoxybenzyl}-7-fluoro-6-[2-fluoro-1-(fluoromethyl)ethoxy]-2,4-dioxo-3,4-dihydroquinazolin-1(2H)-yl]piperidine-1-carbaldehyde
    —— 4-[2-(2-carboxy-ethyl)-3-{6-[3-ethoxy-5-(1H-indol-5-yl)-phenoxy]-hexyl}-phenoxy]-butyric acid 1246206-09-6 C35H41NO7
    4-[2-(2-carboxy-ethyl)-3-{6-[3-ethoxy-5-(1H-indol-5-yl)-phenoxy]-hexyl}-phenoxy]-butyric acid
    —— 4-(1-tert-butoxycarbonylamino-1-ethylpropyl)-1-(4,4,5,5-tetramethyl[1,3,2]dioxaborolanyl)benzene 850197-52-3 C22H36BNO4
    4-(1-tert-butoxycarbonylamino-1-ethylpropyl)-1-(4,4,5,5-tetramethyl[1,3,2]dioxaborolanyl)benzene
    —— 4-amino-3-{6-[2-(6-hydroxyhexyloxy)phenyl]pyridin-3-ylazo}naphthalene-1-sulfonic acid sodium salt 1357164-67-0 C27H27N4O5S*Na
    4-amino-3-{6-[2-(6-hydroxyhexyloxy)phenyl]pyridin-3-ylazo}naphthalene-1-sulfonic acid sodium salt
    —— 4-(2,6-difluorophenyl)-6-(2-(4-(trifluoromethoxy)benzylidene)hydrazinyl)-N-(4-(trifluoromethoxy)phenyl)-1,3,5-triazin-2-amine 1356484-23-5 C24H14F8N6O2
    4-(2,6-difluorophenyl)-6-(2-(4-(trifluoromethoxy)benzylidene)hydrazinyl)-N-(4-(trifluoromethoxy)phenyl)-1,3,5-triazin-2-amine
    —— 4-amino-4<i>H</i>-tetrazolo[1,5-<i>a</i>]quinazolin-5-one 59342-71-1 C8H6N6O
    4-amino-4<i>H</i>-tetrazolo[1,5-<i>a</i>]quinazolin-5-one
    —— 4-[5-(hydroxymethyl)furan-2-yl]butan-2-ol 1245713-18-1 C9H14O3
    4-[5-(hydroxymethyl)furan-2-yl]butan-2-ol
    —— 4'-(4-(2,6-dichloro-4-(3,3-dichloro-2-propenyloxy)phenoxy)butyloxy)acetophenone O-ethyloxime 214702-08-6 C23H25Cl4NO4
    4'-(4-(2,6-dichloro-4-(3,3-dichloro-2-propenyloxy)phenoxy)butyloxy)acetophenone O-ethyloxime
    —— 4-(1-(6-bromopyridin-2-yloxy)ethyl)pyrimidin-2-amine 1312763-93-1 C11H11BrN4O
    4-(1-(6-bromopyridin-2-yloxy)ethyl)pyrimidin-2-amine
    —— 4-pyrazin-2-yl-naphthalen-1-ol 1141860-32-3 C14H10N2O
    4-pyrazin-2-yl-naphthalen-1-ol
    —— (4-ethoxy-phenylthiocarbamoyl)-amidophosphoric acid diethyl ester 109220-42-0 C13H21N2O4PS
    (4-ethoxy-phenylthiocarbamoyl)-amidophosphoric acid diethyl ester
    —— 4,6,6-trimethyl-3-oxy-5,6-dihydro-2<i>H</i>-pyrimidin-1-ol 62890-32-8 C7H14N2O2
    4,6,6-trimethyl-3-oxy-5,6-dihydro-2<i>H</i>-pyrimidin-1-ol
    —— 4-Cyanobenzyl-α-naphthoyloxymethylketon 59824-26-9 C21H15NO3
    4-Cyanobenzyl-α-naphthoyloxymethylketon
    —— 4-[3-Cyano-6-methoxy-7-(3-pyrrolidin-1-yl-propoxy)-quinolin-4-yl]-piperazine-1-carboxylic acid (4-bromo-phenyl)-amide 460089-22-9 C29H33BrN6O3
    4-[3-Cyano-6-methoxy-7-(3-pyrrolidin-1-yl-propoxy)-quinolin-4-yl]-piperazine-1-carboxylic acid (4-bromo-phenyl)-amide
    —— 4,17,20-trimethyl-2-(1-oxo-1,2-dihydro-isoquinolin-7-ylamino)-13-oxa-4,11-diaza-tricyclo[14.2.2.1(6,10)]henicosa-1(19),6,8,10(21),16(20),17-hexaene-3,12-dione 1037079-66-5 C30H30N4O4
    4,17,20-trimethyl-2-(1-oxo-1,2-dihydro-isoquinolin-7-ylamino)-13-oxa-4,11-diaza-tricyclo[14.2.2.1(6,10)]henicosa-1(19),6,8,10(21),16(20),17-hexaene-3,12-dione
    —— 4-Chlormethyl-3-pentadecyl-anisol 95564-39-9 C23H39ClO
    4-Chlormethyl-3-pentadecyl-anisol
    —— 4-isobutylsulfanyl-2-phenyl-butyric acid-(2-diethylamino-ethyl ester) 102462-93-1 C20H33NO2S
    4-isobutylsulfanyl-2-phenyl-butyric acid-(2-diethylamino-ethyl ester)
    —— 4-ethoxy-6-phenyl-cinnoline 101350-35-0 C16H14N2O
    4-ethoxy-6-phenyl-cinnoline
    —— 4-[4-(2,4-dioxo-3-bicyclo[3.2.1]octanyl)-5-methyl-1,3-thiazol-2-yl]benzonitrile 1111806-33-7 C19H16N2O2S
    4-[4-(2,4-dioxo-3-bicyclo[3.2.1]octanyl)-5-methyl-1,3-thiazol-2-yl]benzonitrile
    —— 4-(1-hydroxy-ethyl)-3,5-dimethoxy-benzaldehyde 55687-81-5 C11H14O4
    4-(1-hydroxy-ethyl)-3,5-dimethoxy-benzaldehyde
    —— 4-(9H-Fluoren-9-ylmethoxycarbonyl)-6,7-dihydro-5H-pyrazolo[1,5-a]pyrimidine-6-carboxylic acid 2247104-31-8 C22H19N3O4
    4-(9H-Fluoren-9-ylmethoxycarbonyl)-6,7-dihydro-5H-pyrazolo[1,5-a]pyrimidine-6-carboxylic acid
    —— (4-fluoro-3-methyl-phenyl)-[2]naphthyl-amine 398-51-6 C17H14FN
    (4-fluoro-3-methyl-phenyl)-[2]naphthyl-amine
    —— 4-dimethylamino-2'-methoxychalcone 42067-82-3 C18H19NO2
    4-dimethylamino-2'-methoxychalcone
    —— 4-nitrophenyl 3,5-dimethyl-4-hydroxybenzenesulphonate 116652-80-3 C14H13NO6S
    4-nitrophenyl 3,5-dimethyl-4-hydroxybenzenesulphonate
    —— 4-phenyl-butyric acid-(2-diethylamino-1-phenyl-ethyl ester) 113181-56-9 C22H29NO2
    4-phenyl-butyric acid-(2-diethylamino-1-phenyl-ethyl ester)
    —— 4,4'-((2Z,6Z)-2,7-dimethylocta-2,6-diene-1,8-diyl)dimorpholine 1373334-36-1 C18H32N2O2
    4,4'-((2Z,6Z)-2,7-dimethylocta-2,6-diene-1,8-diyl)dimorpholine
    —— 4-(7-bromoheptyl)pyridine;hydrobromide 114478-34-1 BrH*C12H18BrN
    4-(7-bromoheptyl)pyridine;hydrobromide
    —— 4-[4-(4-fluoro-3-methylphenylamino)pyrimidin-2-ylamino]benzenesulfonyl chloride hydrochloride 919834-84-7 C17H14ClFN4O2S*ClH
    4-[4-(4-fluoro-3-methylphenylamino)pyrimidin-2-ylamino]benzenesulfonyl chloride hydrochloride
    —— 4-(2'-thiazolylazo)phenol 1823-45-6 C9H7N3OS
    4-(2'-thiazolylazo)phenol
    —— 4-bromo-5-methyl-9-oxobicyclo[3.3.1]non-3-ene-1-carboxylic acid methyl ester 1187777-66-7 C12H15BrO3
    4-bromo-5-methyl-9-oxobicyclo[3.3.1]non-3-ene-1-carboxylic acid methyl ester
    —— 4-tert-butyl 2-methyl 3-methyl-5-(morpholin-4-yl)thiophene-2,4-dicarboxylate 1203509-20-9 C16H23NO5S
    4-tert-butyl 2-methyl 3-methyl-5-(morpholin-4-yl)thiophene-2,4-dicarboxylate
    —— 4-acetoxy-pent-3-en-2-one-(2,4-dinitro-phenylhydrazone) 92024-56-1 C13H14N4O6
    4-acetoxy-pent-3-en-2-one-(2,4-dinitro-phenylhydrazone)
    —— 4.4'.4''-Triamino-3.5.3'.5'.3''.5''-hexamethoxy-triphenylcarbinol 23986-01-8 C25H31N3O7
    4.4'.4''-Triamino-3.5.3'.5'.3''.5''-hexamethoxy-triphenylcarbinol
    —— 4-<N-(2-Cinnamoyloxy-ethyl)-N-methyl-amino>-4'-nitroazobenzol 95956-04-0 C24H22N4O4
    4-<N-(2-Cinnamoyloxy-ethyl)-N-methyl-amino>-4'-nitroazobenzol
    —— 4-Bromo-benzenesulfinic acid cyclohexyl-[(diisopropylamino)-methyl]-amide 63930-75-6 C19H31BrN2OS
    4-Bromo-benzenesulfinic acid cyclohexyl-[(diisopropylamino)-methyl]-amide
    —— 4-(4-chloro-3-trifluoromethyl-benzyl)-1,1,3-trioxo-1,2,3,4-tetrahydro-1lambda*6*-pyrido[3,2-b][1,4]thiazine-6-carboxylic acid amide 1522379-97-0 C16H11ClF3N3O4S
    4-(4-chloro-3-trifluoromethyl-benzyl)-1,1,3-trioxo-1,2,3,4-tetrahydro-1lambda*6*-pyrido[3,2-b][1,4]thiazine-6-carboxylic acid amide