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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 4-hydroxymethyl-1,2-diisopropyl-[1,2,4]triazolidine-3,5-dione 5301-93-9 C9H17N3O3
    4-hydroxymethyl-1,2-diisopropyl-[1,2,4]triazolidine-3,5-dione
    —— 4-acetylamino-3-methylbenzofuran-2-carboxylic acid 857079-47-1 C12H11NO4
    4-acetylamino-3-methylbenzofuran-2-carboxylic acid
    —— (4aS,13aR,14aS,15S)-3-(benzyloxy)-9-bromo-4a-((tert-butyldimethylsilyl)oxy)-15-(dimethylamino)-5-hydroxy-4,6-dioxo-4,4a,6,13,13a,14,14a,15-octahydropentaceno[2,3-d]isoxazol-7-yl tert-butyl carbonate 1095277-54-5 C43H49BrN2O9Si
    (4aS,13aR,14aS,15S)-3-(benzyloxy)-9-bromo-4a-((tert-butyldimethylsilyl)oxy)-15-(dimethylamino)-5-hydroxy-4,6-dioxo-4,4a,6,13,13a,14,14a,15-octahydropentaceno[2,3-d]isoxazol-7-yl tert-butyl carbonate
    —— 4-Fluor-2,4-bis(trifluormethylthio)-1,3-dithietan-2-ylium-Ion 105501-58-4 C4F7S4
    4-Fluor-2,4-bis(trifluormethylthio)-1,3-dithietan-2-ylium-Ion
    —— 4,5,7,8-tetra-O-benzyl-3-benzyloxycarbonylamino-2,3-dideoxy-1-C-phenyl-D-glycero-D-ido-1-octulose 884507-70-4 C50H51NO8
    4,5,7,8-tetra-O-benzyl-3-benzyloxycarbonylamino-2,3-dideoxy-1-C-phenyl-D-glycero-D-ido-1-octulose
    —— [4-(methylamino)-2-methylidene-4-pyridin-3-ylbutyl] acetate 94956-93-1 C13H18N2O2
    [4-(methylamino)-2-methylidene-4-pyridin-3-ylbutyl] acetate
    —— 4-hydroxymethyl-2,6-dimethyl-3-o-tolyl-2H-isoquinolin-1-one 1352287-41-2 C19H19NO2
    4-hydroxymethyl-2,6-dimethyl-3-o-tolyl-2H-isoquinolin-1-one
    —— [4,4-dichloro-1-(2-methoxyphenyl)but-3-enoxy]-trimethylsilane 133617-04-6 C14H20Cl2O2Si
    [4,4-dichloro-1-(2-methoxyphenyl)but-3-enoxy]-trimethylsilane
    —— 4-Methyl-octa-3,5-dien-8-ol 19756-79-7 C9H16O
    4-Methyl-octa-3,5-dien-8-ol
    —— 4'-<N-(1''H,1''H,2''H,2''H,3''H,3''H-perfluoroundecyl)amino>benzo-15-crown-5 104909-07-1 C25H26F17NO5
    4'-<N-(1''H,1''H,2''H,2''H,3''H,3''H-perfluoroundecyl)amino>benzo-15-crown-5
    —— 4-(2-bromopropan-2-yl)-1-(2,2,2-trichloroethyl)cyclohex-1-ene 19876-32-5 C11H16BrCl3
    4-(2-bromopropan-2-yl)-1-(2,2,2-trichloroethyl)cyclohex-1-ene
    —— 4-(5-ethoxy-4-methyloxazol-2-yl)-N-methoxy-N-methylbutanamide 1432741-01-9 C12H20N2O4
    4-(5-ethoxy-4-methyloxazol-2-yl)-N-methoxy-N-methylbutanamide
    —— (4S,5S)-5-(tert-Butyl-dimethyl-silanyloxymethyl)-4-propyl-oxazolidin-2-one 195380-78-0 C13H27NO3Si
    (4S,5S)-5-(tert-Butyl-dimethyl-silanyloxymethyl)-4-propyl-oxazolidin-2-one
    —— 4-[N-butyl-N-[2'-(2-hydroxy-3,4-dioxocyclobut-1-en-1-yl)biphenyl-4-ylmethyl]amino]pyrimidine-5-carboxylic acid 154543-07-4 C26H23N3O5
    4-[N-butyl-N-[2'-(2-hydroxy-3,4-dioxocyclobut-1-en-1-yl)biphenyl-4-ylmethyl]amino]pyrimidine-5-carboxylic acid
    —— {4-[(4-{[6-(1H-indazol-6-yl)imidazo[1,2-a]pyrazin-8-yl]amino}phenyl)carbonyl]morpholin-2-yl}methanol 1229209-22-6 C25H23N7O3
    {4-[(4-{[6-(1H-indazol-6-yl)imidazo[1,2-a]pyrazin-8-yl]amino}phenyl)carbonyl]morpholin-2-yl}methanol
    —— 4-[(E)-2-(2-Methoxy-phenyl)-vinyl]-chromen-2-one 90834-28-9 C18H14O3
    4-[(E)-2-(2-Methoxy-phenyl)-vinyl]-chromen-2-one
    —— 4-amino-2-bromonicotinonitrile 1806963-70-1 C6H4BrN3
    4-amino-2-bromonicotinonitrile
    —— 4-[3-Cyano-4-(1-methylindol-3-yl)pyrrol-1-yl]benzoic acid 1072201-16-1 C21H15N3O2
    4-[3-Cyano-4-(1-methylindol-3-yl)pyrrol-1-yl]benzoic acid
    —— 4-[4-[14-Butyl-14,24,25-trimethoxy-19-(4-methoxyphenyl)-20-oxahexacyclo[13.12.0.02,7.08,13.016,21.022,27]heptacosa-1(15),2,4,6,8,10,12,16(21),17,22,24,26-dodecaen-19-yl]phenyl]-2,6-dimethylmorpholine 1008782-47-5 C52H53NO6
    4-[4-[14-Butyl-14,24,25-trimethoxy-19-(4-methoxyphenyl)-20-oxahexacyclo[13.12.0.02,7.08,13.016,21.022,27]heptacosa-1(15),2,4,6,8,10,12,16(21),17,22,24,26-dodecaen-19-yl]phenyl]-2,6-dimethylmorpholine
    —— 4-[(1R,2S)-1,2-diamino-2-(4-hydroxy-2,6-dimethylphenyl)ethyl]-3,5-dimethylphenol 111086-52-3 C18H24N2O2
    4-[(1R,2S)-1,2-diamino-2-(4-hydroxy-2,6-dimethylphenyl)ethyl]-3,5-dimethylphenol
    —— 4-(((4-butylphenyl)imino)methyl)-N,N,N-trimethylbenzenaminium bromide 73000-46-1 Br*C20H27N2
    4-(((4-butylphenyl)imino)methyl)-N,N,N-trimethylbenzenaminium bromide
    —— 4-[(5-chloro-pyrimidin-4-ylamino)-methyl]-piperidine-1-carboxylic acid benzyl ester hydrochloride salt 455267-93-3 C18H21ClN4O2*ClH
    4-[(5-chloro-pyrimidin-4-ylamino)-methyl]-piperidine-1-carboxylic acid benzyl ester hydrochloride salt
    —— 4-phenyl-thiazol-2-acrylamide 79229-51-9 C12H10N2OS
    4-phenyl-thiazol-2-acrylamide
    —— 4-tert-butyl-1,1-dichloro-2,2-difluoro-3-methylidenecyclobutane 81583-78-0 C9H12Cl2F2
    4-tert-butyl-1,1-dichloro-2,2-difluoro-3-methylidenecyclobutane
    —— 4-(4-methoxyphenyl)-2,7-dioxa-3-azabicyclo<3,3,0>oct-3-ene 102740-27-2 C12H13NO3
    4-(4-methoxyphenyl)-2,7-dioxa-3-azabicyclo<3,3,0>oct-3-ene
    —— 4-[bis(4-methoxybenzyl)amino]-1-(2-hydroxy-2-methylpropyl)-6-pentyl-1H-imidazo[4,5-c]pyridin-2-ol 928831-46-3 C31H40N4O4
    4-[bis(4-methoxybenzyl)amino]-1-(2-hydroxy-2-methylpropyl)-6-pentyl-1H-imidazo[4,5-c]pyridin-2-ol
    —— 4-(4-methoxypyridin-3-yl)-3-methylaniline 1357094-78-0 C13H14N2O
    4-(4-methoxypyridin-3-yl)-3-methylaniline
    —— 4-Nitro-2-benzolsulfoxy-toluol 52681-06-8 C13H11NO5S
    4-Nitro-2-benzolsulfoxy-toluol
    —— 4-(1,1-dimethyl-undecyl)-pyrocatechol 858270-11-8 C19H32O2
    4-(1,1-dimethyl-undecyl)-pyrocatechol
    —— 4-[3-Cyano-4-(2-fluoro-4-methoxyphenyl)pyrrol-1-yl]-2-hydroxybenzoic acid 1072201-49-0 C19H13FN2O4
    4-[3-Cyano-4-(2-fluoro-4-methoxyphenyl)pyrrol-1-yl]-2-hydroxybenzoic acid
    —— 4-[3-Cyano-4-[4-(trifluoromethyl)phenyl]pyrrol-1-yl]-2-hydroxybenzoic acid 1072202-18-6 C19H11F3N2O3
    4-[3-Cyano-4-[4-(trifluoromethyl)phenyl]pyrrol-1-yl]-2-hydroxybenzoic acid
    —— 4-[1-(4-Carboxyphenyl)-4-cyanopyrrol-3-yl]benzoic acid 1072200-73-7 C19H12N2O4
    4-[1-(4-Carboxyphenyl)-4-cyanopyrrol-3-yl]benzoic acid
    —— 4,4-Diphenyl-4,4a-dihydro-naphtho[2,3-c]furan-1,3-dione 91231-69-5 C24H16O3
    4,4-Diphenyl-4,4a-dihydro-naphtho[2,3-c]furan-1,3-dione
    —— 4-acetoxy-6-O-benzoyl-1,5-dideoxy-2,3-O-isopropylidene-5-thio-D-glucopyranose (S)-oxide 592517-58-3 C18H22O7S
    4-acetoxy-6-O-benzoyl-1,5-dideoxy-2,3-O-isopropylidene-5-thio-D-glucopyranose (S)-oxide
    —— 4-{4-(2-chloroethyl)-1-oxo-7-[3-(trifluoromethoxy)phenyl]-1,2,3,4-tetrahydropyrrolo[1,2-a]pyrazin-6-yl}benzaldehyde 1429499-17-1 C23H18ClF3N2O3
    4-{4-(2-chloroethyl)-1-oxo-7-[3-(trifluoromethoxy)phenyl]-1,2,3,4-tetrahydropyrrolo[1,2-a]pyrazin-6-yl}benzaldehyde
    —— 4-bromo-1-({3-[2-(2-methoxyethoxy)ethoxy]tricyclo[3.3.1.1<sup>3,7</sup>]dec-1-yl}methyl)-5-methyl-1H-pyrazole 1430846-95-9 C20H31BrN2O3
    4-bromo-1-({3-[2-(2-methoxyethoxy)ethoxy]tricyclo[3.3.1.1<sup>3,7</sup>]dec-1-yl}methyl)-5-methyl-1H-pyrazole
    —— 4-(methoxymethyl)-2,6-dimethylphenol 1013625-20-1 C11H16O3
    4-(methoxymethyl)-2,6-dimethylphenol
    —— 4-bromo-2-ethyl-2-naphthalen-1-yl-2<i>H</i>-benzo[<i>c</i>]silin-1-one 23708-27-2 C21H17BrOSi
    4-bromo-2-ethyl-2-naphthalen-1-yl-2<i>H</i>-benzo[<i>c</i>]silin-1-one
    —— 4-nitro-benzenesulfonic acid-(2-methyl-pyrimidin-4-ylamide) 855230-90-9 C11H10N4O4S
    4-nitro-benzenesulfonic acid-(2-methyl-pyrimidin-4-ylamide)
    —— 4-bromo-1-{[2-(2-methoxyethyl)tricyclo[3.3.1.1<sup>3,7</sup>]dec-2-yl]methyl}-1H-pyrazole 1430846-76-6 C17H25BrN2O
    4-bromo-1-{[2-(2-methoxyethyl)tricyclo[3.3.1.1<sup>3,7</sup>]dec-2-yl]methyl}-1H-pyrazole
    —— 4-(4-(benzyloxy)phenylamino)-6-nitro-7-(pyridin-4-yl-oxy)quinoline-3-carbonitrile 1351943-39-9 C28H19N5O4
    4-(4-(benzyloxy)phenylamino)-6-nitro-7-(pyridin-4-yl-oxy)quinoline-3-carbonitrile
    —— (4-methoxyphenyl) 4-(4-bromobutanoyloxy)benzoate 98634-92-5 C18H17BrO5
    (4-methoxyphenyl) 4-(4-bromobutanoyloxy)benzoate
    —— 4-(2-decyltetradecyloxy)phenylboronic acid 1219825-57-6 C30H55BO3
    4-(2-decyltetradecyloxy)phenylboronic acid
    —— 4-(2-naphthyl)-N-{[1-(phenylacetyl)piperidin-4-yl]methyl}pyrimidin-2-amine 1123234-15-0 C28H28N4O
    4-(2-naphthyl)-N-{[1-(phenylacetyl)piperidin-4-yl]methyl}pyrimidin-2-amine
    —— 4,6-dimethyl-5-nitro-5-(4-nitro-phenylazo)-2-phenyl-[1,3]dioxane 107821-90-9 C18H18N4O6
    4,6-dimethyl-5-nitro-5-(4-nitro-phenylazo)-2-phenyl-[1,3]dioxane
    —— 4-[6-(4,4,4,3,3,2,2-heptaflurobutoxy)hexyl-1-oxy]-3-fluorobenzoic acid 1207481-01-3 C17H18F8O4
    4-[6-(4,4,4,3,3,2,2-heptaflurobutoxy)hexyl-1-oxy]-3-fluorobenzoic acid
    —— (4R,10bR)-1,3,4,10b-tetrahydro-4-methyl-3-oxo-7-trifluoromethoxypyrazino[2,1-a]isoindol-6(2H)-one 850034-58-1 C13H11F3N2O2
    (4R,10bR)-1,3,4,10b-tetrahydro-4-methyl-3-oxo-7-trifluoromethoxypyrazino[2,1-a]isoindol-6(2H)-one
    —— 4α,5-Cyclo-A-homo-B-nor-5α-androstan-3β,17β-diol 65066-32-2 C19H30O2
    4α,5-Cyclo-A-homo-B-nor-5α-androstan-3β,17β-diol
    —— (4-bromo-phenyl)-(5-phenyl-1<i>H</i>-[1,2,3]triazol-4-yl)-amine 107456-28-0 C14H11BrN4
    (4-bromo-phenyl)-(5-phenyl-1<i>H</i>-[1,2,3]triazol-4-yl)-amine
    —— (4bS,8aS,9S)-11-methyl-3-(pyridin-4-yl)-6,7,8,8a,9,10-hexahydro-5H-9,4b-(epiminoethano)phenanthrene 1078152-06-3 C22H26N2
    (4bS,8aS,9S)-11-methyl-3-(pyridin-4-yl)-6,7,8,8a,9,10-hexahydro-5H-9,4b-(epiminoethano)phenanthrene