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—— [4-Methyl-5-[5-[5-(3-methyl-5-thiocyanatothiophen-2-yl)thiophen-2-yl]thiophen-2-yl]thiophen-2-yl] thiocyanate 1448246-68-1 C20H12N2S6
[4-Methyl-5-[5-[5-(3-methyl-5-thiocyanatothiophen-2-yl)thiophen-2-yl]thiophen-2-yl]thiophen-2-yl] thiocyanate
—— 4-[13-(4-carbonochloridoylbenzoyl)-21-(4-methylphenyl)sulfonyl-1,9,17-trioxa-5,13,21-triazacyclotetracosane-5-carbonyl]benzoyl chloride 116073-78-0 C41H51Cl2N3O9S
4-[13-(4-carbonochloridoylbenzoyl)-21-(4-methylphenyl)sulfonyl-1,9,17-trioxa-5,13,21-triazacyclotetracosane-5-carbonyl]benzoyl chloride
—— 4-Hydroxy-benzenesulfonic acid 2-cyclohexyl-2-oxo-ethyl ester 80520-93-0 C14H18O5S
4-Hydroxy-benzenesulfonic acid 2-cyclohexyl-2-oxo-ethyl ester
—— 4-(p-Toluolsulfonyl)-N-methylamino-1-chlormethylnaphthalin 17047-28-8 C19H18ClNO2S
4-(p-Toluolsulfonyl)-N-methylamino-1-chlormethylnaphthalin
—— 4-hemisuccinoyloxycortisol 21-tert-butyldimethylsilyl ether 74997-17-4 C31H48O9Si
4-hemisuccinoyloxycortisol 21-tert-butyldimethylsilyl ether
—— 4-(N-(2-methoxybenzyl)sulfamoyl)phenyl acetate 1119833-23-6 C16H17NO5S
4-(N-(2-methoxybenzyl)sulfamoyl)phenyl acetate
—— 4-(4-((2-((((3S,4aR,6aR,6bS,8aS,11R,12S,12aS,14aR,14bR)-8a-carboxy-4,4,6a,6b,11,12,14b-heptamethyl-1,2,3,4,4a,5,6,6a,6b,7,8,8a,9,10,11,12,12a,14,14a,14b-icosahydropicen-3-yl)oxy)carbonyl)benzoyl)oxy)butoxy)-3-(phenylsulfonyl)-1,2,5-oxadiazole 2-oxide 1204604-53-4 C50H64N2O11S
4-(4-((2-((((3S,4aR,6aR,6bS,8aS,11R,12S,12aS,14aR,14bR)-8a-carboxy-4,4,6a,6b,11,12,14b-heptamethyl-1,2,3,4,4a,5,6,6a,6b,7,8,8a,9,10,11,12,12a,14,14a,14b-icosahydropicen-3-yl)oxy)carbonyl)benzoyl)oxy)butoxy)-3-(phenylsulfonyl)-1,2,5-oxadiazole 2-oxide
—— (4aS,11aR,12aS,13S)-8-amino-3,7-bis(benzyloxy)-4a-((tert-butyldimethylsilyl)oxy)-10-chloro-13-(dimethylamino)-5-hydroxy-11a,12,12a,13-tetrahydroisoxazolo[5',4':6,7]naphtho[2,3-g]isoquinoline-4,6(4aH,11H)-dione 1254367-82-2 C40H45ClN4O7Si
(4aS,11aR,12aS,13S)-8-amino-3,7-bis(benzyloxy)-4a-((tert-butyldimethylsilyl)oxy)-10-chloro-13-(dimethylamino)-5-hydroxy-11a,12,12a,13-tetrahydroisoxazolo[5',4':6,7]naphtho[2,3-g]isoquinoline-4,6(4aH,11H)-dione
—— 4-benzylmethylamino-1,2-dihydrobenz<cd>indol-2-one 88791-00-8 C19H16N2O
4-benzylmethylamino-1,2-dihydrobenz<cd>indol-2-one
—— 4-tert-Butoxycarbonylamino-butyric acid (8R,9S,10R,13S,14S,17R)-17-ethynyl-13-methyl-3-oxo-2,3,6,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-17-yl ester 106178-69-2 C29H41NO5
4-tert-Butoxycarbonylamino-butyric acid (8R,9S,10R,13S,14S,17R)-17-ethynyl-13-methyl-3-oxo-2,3,6,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-17-yl ester
—— 4'''-(4-(methoxycarbonyl-2-(2S)-(4-hydroxyphenyl)ethyl)amino-4-oxobutanoyl)digoxin 102730-18-7 C55H79NO19
4'''-(4-(methoxycarbonyl-2-(2S)-(4-hydroxyphenyl)ethyl)amino-4-oxobutanoyl)digoxin
—— 4-O-acetyl-2,6-dideoxy-3-C-methyl-3-O-methyl-α-L-xylo-hexopyranose 111869-04-6 C10H18O5
4-O-acetyl-2,6-dideoxy-3-C-methyl-3-O-methyl-α-L-xylo-hexopyranose
—— 4-Nitro-3-methyl-phenylcyanat 1131-26-6 C8H6N2O3
4-Nitro-3-methyl-phenylcyanat
—— 4-N-sarcosyl-1,2',6',2''-N-benzyloxycarbonylfortimicin B tetrahydrochloride 66962-75-2 C18H37N5O6*4ClH
4-N-sarcosyl-1,2',6',2''-N-benzyloxycarbonylfortimicin B tetrahydrochloride
—— 4-chloromethyl-benzo[1,2,5]selenadiazole 14229-08-4 C7H5ClN2Se
4-chloromethyl-benzo[1,2,5]selenadiazole
—— [4-[(2,4-dichlorophenoxy)methyl]phenyl] N-methylcarbamate 120677-45-4 C15H13Cl2NO3
[4-[(2,4-dichlorophenoxy)methyl]phenyl] N-methylcarbamate
—— 4''-O-(phenethyl)carbamoyl erythromycin A 1253278-93-1 C46H76N2O14
4''-O-(phenethyl)carbamoyl erythromycin A
—— 4-diethoxyphosphinothioyl-5-methyl-1,5-dihydro-1,2,4-triazin-6-one 135492-37-4 C8H16N3O3PS
4-diethoxyphosphinothioyl-5-methyl-1,5-dihydro-1,2,4-triazin-6-one
—— (4aS,13aR,14aS,15S)-9-(azetidin-1-ylmethyl)-3-(benzyloxy)-4a-((tert-butyldimethylsilyl)oxy)-15-(dimethylamino)-5,12-dihydroxy-4,6-dioxo-4,4a,6,13,13a,14,14a,15-octahydropentaceno[2,3-d]isoxazol-7-yl tert-butyl carbonate 1254949-99-9 C47H57N3O10Si
(4aS,13aR,14aS,15S)-9-(azetidin-1-ylmethyl)-3-(benzyloxy)-4a-((tert-butyldimethylsilyl)oxy)-15-(dimethylamino)-5,12-dihydroxy-4,6-dioxo-4,4a,6,13,13a,14,14a,15-octahydropentaceno[2,3-d]isoxazol-7-yl tert-butyl carbonate
—— 4-N-(10-fluoroundecanoyl)-2'-deoxy-2',2'-difluorocytidine 1519060-61-7 C20H30F3N3O5
4-N-(10-fluoroundecanoyl)-2'-deoxy-2',2'-difluorocytidine
—— (4-methoxy-2-hydroxy benzophenone)bis(triphenylphosphine)dichloridoruthenium(III) 1352720-40-1 C50H41Cl2O3P2Ru
(4-methoxy-2-hydroxy benzophenone)bis(triphenylphosphine)dichloridoruthenium(III)
—— 4-methyl-1-<N<sup>α</sup>-(tertiobutyloxycarbonyl)-(N<sup>ω</sup>-nitro-arginyl)>-piperidine 74171-18-9 C17H32N6O5
4-methyl-1-<N<sup>α</sup>-(tertiobutyloxycarbonyl)-(N<sup>ω</sup>-nitro-arginyl)>-piperidine
—— 4-[N,N-bis(2-hydroxyethyl)amino]benzenethiocyanate 99841-22-2 C11H14N2O2S
4-[N,N-bis(2-hydroxyethyl)amino]benzenethiocyanate
—— 4-Methyl-7-chlormethyl-benz-<2,1,3>-thiadiazol 89938-42-1 C8H7ClN2S
4-Methyl-7-chlormethyl-benz-<2,1,3>-thiadiazol
—— 4-(2-acetoxyethylidene)-4-hydroxy-2,3-dioxobutyro-1,4-lactone 3-(N-acetylmethyhydrazone) 2-(o-nitrophenylhydrazone) 102691-19-0 C17H17N5O7
4-(2-acetoxyethylidene)-4-hydroxy-2,3-dioxobutyro-1,4-lactone 3-(N-acetylmethyhydrazone) 2-(o-nitrophenylhydrazone)
—— 4-(dimethylamino)benzeneselenol 94632-13-0 C8H11NSe
4-(dimethylamino)benzeneselenol
—— 4,4,7,7-tetrakis(diethylamino)-3,8-diethyl-3,8-diaza-4,7-diphosphadecane-4,7-diium hexafluorotungstate(IV) 121699-56-7 C26H64N6P2*F6W
4,4,7,7-tetrakis(diethylamino)-3,8-diethyl-3,8-diaza-4,7-diphosphadecane-4,7-diium hexafluorotungstate(IV)
—— 4a-methyl-7-morpholin-4-yl-2,3,4,4a,5,6-hexahydro-naphthalene-1-carbonitrile 22249-37-2 C16H22N2O
4a-methyl-7-morpholin-4-yl-2,3,4,4a,5,6-hexahydro-naphthalene-1-carbonitrile
—— 4-(3-Isopropyl-4-methoxyphenoxy)-3-isopropylbenzyl-chlorid 16221-05-9 C20H25ClO2
4-(3-Isopropyl-4-methoxyphenoxy)-3-isopropylbenzyl-chlorid
—— 4-((3<i>R</i>)-4<i>c</i>-ethyl-5-oxo-tetrahydro-furan-3<i>r</i>-ylmethyl)-3-methyl-1-(4-nitro-benzyl)-imidazolium; chloride 35672-04-9 C18H22N3O4*Cl
4-((3<i>R</i>)-4<i>c</i>-ethyl-5-oxo-tetrahydro-furan-3<i>r</i>-ylmethyl)-3-methyl-1-(4-nitro-benzyl)-imidazolium; chloride
—— 4-(2-(6-(6-((2,4-dinitrophenyl)amino)hexanamido)hexanamido)ethyl)phenyl octanoate 1048007-90-4 C34H49N5O8
4-(2-(6-(6-((2,4-dinitrophenyl)amino)hexanamido)hexanamido)ethyl)phenyl octanoate
—— 4,5-Dichloro-2-(4-nitro-phenyl)-1H-imidazole 72796-56-6 C9H5Cl2N3O2
4,5-Dichloro-2-(4-nitro-phenyl)-1H-imidazole
—— 4-N-heptadecylcarbonyl-3',5'-O-bis(tert-butoxycarbonyl) gemcitabine 1373522-93-0 C37H61F2N3O9
4-N-heptadecylcarbonyl-3',5'-O-bis(tert-butoxycarbonyl) gemcitabine
—— 4-Chlor-2-methyl-phenylcyanat 1126-17-6 C8H6ClNO
4-Chlor-2-methyl-phenylcyanat
—— 4-((3<i>R</i>)-4<i>c</i>-ethyl-5-oxo-tetrahydro-furan-3<i>r</i>-ylmethyl)-1-[2-(4-fluoro-phenyl)-2-oxo-ethyl]-3-methyl-imidazolium; bromide 35672-08-3 Br*C19H22FN2O3
4-((3<i>R</i>)-4<i>c</i>-ethyl-5-oxo-tetrahydro-furan-3<i>r</i>-ylmethyl)-1-[2-(4-fluoro-phenyl)-2-oxo-ethyl]-3-methyl-imidazolium; bromide
—— 4-(7-bromo-[1,2,5]thiadiazolo[3,4-c]pyridin-4-yl)-N,N-diphenylaniline 1574571-53-1 C23H15BrN4S
4-(7-bromo-[1,2,5]thiadiazolo[3,4-c]pyridin-4-yl)-N,N-diphenylaniline
—— 4-[[[4-[2-[(4-Hydroxy-3-methoxyphenyl)methylidene]hydrazinyl]phthalazin-1-yl]hydrazinylidene]methyl]-2-methoxyphenol 133847-36-6 C24H22N6O4
4-[[[4-[2-[(4-Hydroxy-3-methoxyphenyl)methylidene]hydrazinyl]phthalazin-1-yl]hydrazinylidene]methyl]-2-methoxyphenol
—— 4-trifluoroacetylaminobutan-2-one 98897-78-0 C6H8F3NO2
4-trifluoroacetylaminobutan-2-one
—— 4-[2-(2-bromoethoxy)phenyl]-2-(trifluoromethyl)-1,3-thiazole 1402003-86-4 C12H9BrF3NOS
4-[2-(2-bromoethoxy)phenyl]-2-(trifluoromethyl)-1,3-thiazole
—— (4Z,7Z,10Z,13Z,16Z,19Z)-N-(2-aminoethyl)docosa-4,7,10,13,16,19-hexaenamide hydrochloride salt 1333067-36-9 C24H38N2O*ClH
(4Z,7Z,10Z,13Z,16Z,19Z)-N-(2-aminoethyl)docosa-4,7,10,13,16,19-hexaenamide hydrochloride salt
—— 4-methyl-5-oxa-3,10,16-triazatetracyclo[10.4.0.02,6.07,11]hexadeca-1,3,6,8,11,13,15-heptaene-9-carboxylic acid 95912-11-1 C14H9N3O3
4-methyl-5-oxa-3,10,16-triazatetracyclo[10.4.0.02,6.07,11]hexadeca-1,3,6,8,11,13,15-heptaene-9-carboxylic acid
—— 4-hydroxy-1,3-dimethyl-1H-pyrazolo[3,4-b]pyridin-6(7H)-one 1380447-77-7 C8H9N3O2
4-hydroxy-1,3-dimethyl-1H-pyrazolo[3,4-b]pyridin-6(7H)-one
—— 4,4-dinitro-hexan-3-one 98484-83-4 C6H10N2O5
4,4-dinitro-hexan-3-one
—— 4'-demethyl-4-deoxylpodophyllotoxin 4'-(4-cyclopentylpiperazine) carbamate 1308813-87-7 C31H36N2O8
4'-demethyl-4-deoxylpodophyllotoxin 4'-(4-cyclopentylpiperazine) carbamate
—— (4S*,5aS*,11bS*)-5a-hydroxy-6,6-dimethyl-4-phenyl-5a,11b-dihydro-4H,6H-pyrrolo<1',2':4,5>oxazino<2,3-c>chromene-10-carbonitrile 141734-58-9 C23H20N2O3
(4S*,5aS*,11bS*)-5a-hydroxy-6,6-dimethyl-4-phenyl-5a,11b-dihydro-4H,6H-pyrrolo<1',2':4,5>oxazino<2,3-c>chromene-10-carbonitrile
—— 4-N-[11-(1H-benzotriazol-1-yloxy)undecanoyl]-2'-deoxy-2',2'-difluorocytidine 1519060-55-9 C26H34F2N6O6
4-N-[11-(1H-benzotriazol-1-yloxy)undecanoyl]-2'-deoxy-2',2'-difluorocytidine
—— 4-amino-2-(4-fluorobenzyl)-10-(benzyloxy)-8-methyl-7,8-dihydro-pyrazino[1',2':1,5]-pyrrolo[2,3-d]pyridazine-1,9(2H,6H)-dione 869901-95-1 C24H22FN5O3
4-amino-2-(4-fluorobenzyl)-10-(benzyloxy)-8-methyl-7,8-dihydro-pyrazino[1',2':1,5]-pyrrolo[2,3-d]pyridazine-1,9(2H,6H)-dione
—— 4-(4-((4-(((3S,4aR,6aR,6bS,8aS,11R,12S,12aS,14aR,14bR)-8a-carboxy-4,4,6a,6b,11,12,14b-heptamethyl-1,2,3,4,4a,5,6,6a,6b,7,8,8a,9,10,11,12,12a,14,14a,14b-icosahydropicen-3-yl)oxy)-4-oxobutanoyl)oxy)butoxy)-3-(phenylsulfonyl)-1,2,5-oxadiazole 2-oxide 1282608-26-7 C46H64N2O11S
4-(4-((4-(((3S,4aR,6aR,6bS,8aS,11R,12S,12aS,14aR,14bR)-8a-carboxy-4,4,6a,6b,11,12,14b-heptamethyl-1,2,3,4,4a,5,6,6a,6b,7,8,8a,9,10,11,12,12a,14,14a,14b-icosahydropicen-3-yl)oxy)-4-oxobutanoyl)oxy)butoxy)-3-(phenylsulfonyl)-1,2,5-oxadiazole 2-oxide
—— 4-benzylamino-1,2-dihydrobenz<cd>indol-2-one 88791-02-0 C18H14N2O
4-benzylamino-1,2-dihydrobenz<cd>indol-2-one
—— 4,7-bis-chloromethyl-benzo[1,2,5]selenadiazole 14229-09-5 C8H6Cl2N2Se
4,7-bis-chloromethyl-benzo[1,2,5]selenadiazole