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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 4,6-bis-(4-chloro-benzenesulfonyl)-<i>m</i>-phenylenediamine 110156-29-1 C18H14Cl2N2O4S2
    4,6-bis-(4-chloro-benzenesulfonyl)-<i>m</i>-phenylenediamine
    —— [4-chloro-α-(4-nitro-phenoxy)-benzyliden]-amidophosphoric acid dimethyl ester 109449-07-2 C15H14ClN2O6P
    [4-chloro-α-(4-nitro-phenoxy)-benzyliden]-amidophosphoric acid dimethyl ester
    —— 4-Octanoyloxy-2-octanoyl-1.2-dihydro-spiro<phthalazin-1.2'-oxazolidin> 102288-73-3 C26H39N3O4
    4-Octanoyloxy-2-octanoyl-1.2-dihydro-spiro<phthalazin-1.2'-oxazolidin>
    —— 4-Phenyl-2,4-bis-methoxycarbonyl-cyclopentanon-(1) 100976-65-6 C15H16O5
    4-Phenyl-2,4-bis-methoxycarbonyl-cyclopentanon-(1)
    —— 4-oxo-4-(4'-propoxy-biphenyl-4-yl)-butyric acid 115861-69-3 C19H20O4
    4-oxo-4-(4'-propoxy-biphenyl-4-yl)-butyric acid
    —— 4-[4-(1-methyl-1<i>H</i>-[4]chinolyLiDene)-but-2-enylidene]-2-phenyl-4<i>H</i>-oxazol-5-one 112322-19-7 C23H18N2O2
    4-[4-(1-methyl-1<i>H</i>-[4]chinolyLiDene)-but-2-enylidene]-2-phenyl-4<i>H</i>-oxazol-5-one
    —— 4,4'-Dimethyl-5-formyl-2,2'-bipyrrol-dicarbonsaeure-3,3'-diethylester 93732-28-6 C17H20N2O5
    4,4'-Dimethyl-5-formyl-2,2'-bipyrrol-dicarbonsaeure-3,3'-diethylester
    —— 4-Amino-7-hydroxy-2-methylmercapto-6-benzyl-pteridin 92193-66-3 C14H13N5OS
    4-Amino-7-hydroxy-2-methylmercapto-6-benzyl-pteridin
    —— 4,4'-Bis-<2-hydroxy-5-methyl-benzol-1-azo>-3,3'-diisopentyloxy-biphenyl 121499-29-4 C36H42N4O4
    4,4'-Bis-<2-hydroxy-5-methyl-benzol-1-azo>-3,3'-diisopentyloxy-biphenyl
    —— 4-benzoyl-3,5-bis-(4-dimethylamino-phenyl)-1,7-diphenyl-heptane-1,7-dione 103404-33-7 C42H42N2O3
    4-benzoyl-3,5-bis-(4-dimethylamino-phenyl)-1,7-diphenyl-heptane-1,7-dione
    —— 4-<4-Acetamino-benzolsulfonylamino>-6-piperidino-2-methyl-pyrimidin 94030-27-0 C18H23N5O3S
    4-<4-Acetamino-benzolsulfonylamino>-6-piperidino-2-methyl-pyrimidin
    —— (+/-)-4-(3-hydroxy-1-methyl-phenazin-2-yl)-5-methyl-resorcinol 110441-22-0 C20H16N2O3
    (+/-)-4-(3-hydroxy-1-methyl-phenazin-2-yl)-5-methyl-resorcinol
    —— 4A-octyl-2,3,4,4a-tetrahydro-1<i>H</i>-carbazole 110531-30-1 C20H29N
    4A-octyl-2,3,4,4a-tetrahydro-1<i>H</i>-carbazole
    —— 4-[1-(2-hydroxy-phenyl)-ethylLiDenehydrazino]-6-methyl-1<i>H</i>-pyrimidin-2-one 92023-91-1 C13H14N4O2
    4-[1-(2-hydroxy-phenyl)-ethylLiDenehydrazino]-6-methyl-1<i>H</i>-pyrimidin-2-one
    —— 4,6-Dichlor-2-(2-propylsulfonyl-ethoxy)-1,3,5-triazin 98592-90-6 C8H11Cl2N3O3S
    4,6-Dichlor-2-(2-propylsulfonyl-ethoxy)-1,3,5-triazin
    —— 4-benzylidene-3-methyl-2-thioxo-thiazolidin-5-one 80012-37-9 C11H9NOS2
    4-benzylidene-3-methyl-2-thioxo-thiazolidin-5-one
    —— 4-benzyloxy-1-hydroxy-9,10-dioxo-9,10-dihydroanthracene-2-carbaldehyde 130514-57-7 C22H14O5
    4-benzyloxy-1-hydroxy-9,10-dioxo-9,10-dihydroanthracene-2-carbaldehyde
    —— 4-(2-{2-[2-(2-hydroxyethoxy)ethoxy]ethoxy}ethoxy)benzoic acid 871085-57-3 C15H22O7
    4-(2-{2-[2-(2-hydroxyethoxy)ethoxy]ethoxy}ethoxy)benzoic acid
    —— (4S)-2,6-dioxo-1-(propan-2-yl)-1,3-diazinane-4-carboxylic acid 124799-00-4 C8H12N2O4
    (4S)-2,6-dioxo-1-(propan-2-yl)-1,3-diazinane-4-carboxylic acid
    —— 4,4,7,7-tetramethyl-2,2,9,9-tetraphenyl-2l5,9l5-diphospha-4,7-disila-1,10-diboradecane 1516880-41-3 C32H46B2P2Si2
    4,4,7,7-tetramethyl-2,2,9,9-tetraphenyl-2l5,9l5-diphospha-4,7-disila-1,10-diboradecane
    —— 4-(4,5-diphenylthiazol-2-yl)-2-methoxyphenyl aminoglycinate 1204700-02-6 C24H21N3O3S
    4-(4,5-diphenylthiazol-2-yl)-2-methoxyphenyl aminoglycinate
    —— 4-(2,2-dichloroacetyl)-1,3-dihydroquinoxalin-2-one 138742-56-0 C10H8Cl2N2O2
    4-(2,2-dichloroacetyl)-1,3-dihydroquinoxalin-2-one
    —— 4-Hydroxy-4,4,5-trimethyl-imidazolidin-2-thion 58417-94-0 C6H12N2OS
    4-Hydroxy-4,4,5-trimethyl-imidazolidin-2-thion
    —— (4S,6aS,11R,11aS)-4-((1-allyl-1H-indol-3-yl)methyl)-N-(2-(6-(dimethylamino)-1,3-dioxo-1H-benzo[de]isoquinolin-2(3H)-yl)ethyl)-3,6-dioxodecahydro-1H-azirino[1,2-a]pyrrolo[1,2-d][1,4,7]triazonine-11-carboxamide 1352831-53-8 C39H41N7O5
    (4S,6aS,11R,11aS)-4-((1-allyl-1H-indol-3-yl)methyl)-N-(2-(6-(dimethylamino)-1,3-dioxo-1H-benzo[de]isoquinolin-2(3H)-yl)ethyl)-3,6-dioxodecahydro-1H-azirino[1,2-a]pyrrolo[1,2-d][1,4,7]triazonine-11-carboxamide
    —— 4-Methyl-1-(2-oxo-2-phenyl-ethyl)-cyclohexanecarboxylic acid methyl ester 59590-92-0 C17H22O3
    4-Methyl-1-(2-oxo-2-phenyl-ethyl)-cyclohexanecarboxylic acid methyl ester
    —— (4-Formyl-5-trimethylsilanyl-[1,2,3]triazol-1-yl)-acetic acid ethyl ester 139454-93-6 C10H17N3O3Si
    (4-Formyl-5-trimethylsilanyl-[1,2,3]triazol-1-yl)-acetic acid ethyl ester
    —— 4-cyclohexylmethyl-5-isopropyl-1,3-dihydroimidazole-2-thione 628319-03-9 C13H22N2S
    4-cyclohexylmethyl-5-isopropyl-1,3-dihydroimidazole-2-thione
    —— 4-[tert-butyl(dimethyl)silyl]oxy-4-(2-phenylethyl)hept-5-yn-2-one 122124-62-3 C21H32O2Si
    4-[tert-butyl(dimethyl)silyl]oxy-4-(2-phenylethyl)hept-5-yn-2-one
    —— {4-[2-(3-tert-butoxycarbonyl-2-methoxy-phenyl)-1-(2,9,9-trimethyl-3,5-dioxa-4-bora-tricyclo[6,1,1,0(2,6)]dec-4-yl)-ethylcarbamoyl]-benzyl}-2-tert-butoxycarbonylamino-ethylamine 1256336-62-5 C39H56BN3O8
    {4-[2-(3-tert-butoxycarbonyl-2-methoxy-phenyl)-1-(2,9,9-trimethyl-3,5-dioxa-4-bora-tricyclo[6,1,1,0(2,6)]dec-4-yl)-ethylcarbamoyl]-benzyl}-2-tert-butoxycarbonylamino-ethylamine
    —— 4-benzyl-3-(methoxycarbonyl)-7-oxabicyclo[2.2.1]hepta-2,5-di-ene-2-carboxylic acid 1452885-09-4 C16H14O5
    4-benzyl-3-(methoxycarbonyl)-7-oxabicyclo[2.2.1]hepta-2,5-di-ene-2-carboxylic acid
    —— 4-phenylisoxazolo[4,3-c]quinoline-5(4H)-carbaldehyde 1236385-09-3 C17H12N2O2
    4-phenylisoxazolo[4,3-c]quinoline-5(4H)-carbaldehyde
    —— 4β,5-Cyclopropano-5β-cholestane-3β,19-diol 19-p-Toluenesulphonate 115884-07-6 C35H54O4S
    4β,5-Cyclopropano-5β-cholestane-3β,19-diol 19-p-Toluenesulphonate
    —— 4,4,5,5-tetrachloro-2-(1-phenyl-ethyl)-isothiazolidin-3-one 54415-05-3 C11H9Cl4NOS
    4,4,5,5-tetrachloro-2-(1-phenyl-ethyl)-isothiazolidin-3-one
    —— 4-amino-3-benzenesulfonyl-1<i>H</i>-quinolin-2-one 71993-23-2 C15H12N2O3S
    4-amino-3-benzenesulfonyl-1<i>H</i>-quinolin-2-one
    —— 4-tert-Butyl-2-methyl-5-nitro-oxazole 79965-87-0 C8H12N2O3
    4-tert-Butyl-2-methyl-5-nitro-oxazole
    —— (4aR,6S,7S,8aR)-7-Benzyloxy-6-methoxy-2-phenyl-tetrahydro-pyrano[3,2-d][1,3]dioxin-8-one 157809-94-4 C21H22O6
    (4aR,6S,7S,8aR)-7-Benzyloxy-6-methoxy-2-phenyl-tetrahydro-pyrano[3,2-d][1,3]dioxin-8-one
    —— 4-chloromethyl-2,2,4,6,6-pentamethyl-3,5-dioxa-4-sila-heptanedinitrile 17873-17-5 C10H17ClN2O2Si
    4-chloromethyl-2,2,4,6,6-pentamethyl-3,5-dioxa-4-sila-heptanedinitrile
    —— 4-cyclohexyl-1,1,1-trifluorobut-3-yn-2-yl butanoate 1174640-10-8 C14H19F3O2
    4-cyclohexyl-1,1,1-trifluorobut-3-yn-2-yl butanoate
    —— 4-(4-iodobutyl)-1,7-dimethyl-1,4-dihydro-9H-pyrazolo[4,3-b]quinolin-9-one 499792-72-2 C16H18IN3O
    4-(4-iodobutyl)-1,7-dimethyl-1,4-dihydro-9H-pyrazolo[4,3-b]quinolin-9-one
    —— (+/-)-4aβ-hydroxy-4α-methyl-1,2,3,4,4a,10a-hexahydro-4β,10aβ-ethanophenanthrene-9,12(10H)-dione 83633-95-8 C17H18O3
    (+/-)-4aβ-hydroxy-4α-methyl-1,2,3,4,4a,10a-hexahydro-4β,10aβ-ethanophenanthrene-9,12(10H)-dione
    —— 4-n-dodecyloxyphenyl(4'-hydroxybenzyl)ether 123436-70-4 C25H36O3
    4-n-dodecyloxyphenyl(4'-hydroxybenzyl)ether
    —— <4-(2-Phenyl-propenyl)-benzol>-<1-azo-1>-2-hydroxy-naphthalin 96465-78-0 C25H20N2O
    <4-(2-Phenyl-propenyl)-benzol>-<1-azo-1>-2-hydroxy-naphthalin
    —— 4-hydroxy-2-methyl-1,1-dioxo-1,2-dihydro-1λ<sup>6</sup>-thieno[2,3-<i>e</i>][1,2]thiazine-3-carboxylic acid 3,4-dimethyl-isoxazol-5-ylamide 59804-43-2 C13H13N3O5S2
    4-hydroxy-2-methyl-1,1-dioxo-1,2-dihydro-1λ<sup>6</sup>-thieno[2,3-<i>e</i>][1,2]thiazine-3-carboxylic acid 3,4-dimethyl-isoxazol-5-ylamide
    —— 4-[5-Phenyl-3-((E)-styryl)-pyrazol-1-yl]-benzenesulfonamide 80883-94-9 C23H19N3O2S
    4-[5-Phenyl-3-((E)-styryl)-pyrazol-1-yl]-benzenesulfonamide
    —— 4-phenyl-5-piperonylidenamino-3<i>H</i>-thiazole-2-thione 101576-73-2 C17H12N2O2S2
    4-phenyl-5-piperonylidenamino-3<i>H</i>-thiazole-2-thione
    —— 4,5-dimethoxy-2-(oxo-<i>tert</i>-butoxy)-benzaldehyde 97025-42-8 C13H16O5
    4,5-dimethoxy-2-(oxo-<i>tert</i>-butoxy)-benzaldehyde
    —— 4-(6-(acetamido)pyridin-3-yl)-N-(3-methyl-4-((1S,4S)-5-methyl-2,5-diazabicyclo[2.2.1]heptan-2-yl)phenyl)pyrimidin-2-amine 1182185-20-1 C24H27N7O
    4-(6-(acetamido)pyridin-3-yl)-N-(3-methyl-4-((1S,4S)-5-methyl-2,5-diazabicyclo[2.2.1]heptan-2-yl)phenyl)pyrimidin-2-amine
    —— 4-(benzoylamino)-N-(2-isopropoxyethyl)-1-(tetrahydro-2H-pyran-2-yl)-1H-pyrazole-3-carboxamide 906086-58-6 C21H28N4O4
    4-(benzoylamino)-N-(2-isopropoxyethyl)-1-(tetrahydro-2H-pyran-2-yl)-1H-pyrazole-3-carboxamide
    —— 4-[3-(4-aminophenyl)-1-ethyl-1H-pyrazol-4-yl]-2-[3-(N-morpholinylmethyl)phenyl]-1H-pyrrolo[2,3-b]pyridine 942919-54-2 C29H30N6O
    4-[3-(4-aminophenyl)-1-ethyl-1H-pyrazol-4-yl]-2-[3-(N-morpholinylmethyl)phenyl]-1H-pyrrolo[2,3-b]pyridine
    —— 4-Isopropyl-1-butyl-5-isobutylpyrazol 92370-13-3 C14H26N2
    4-Isopropyl-1-butyl-5-isobutylpyrazol