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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 4-(1'-benzenesulfonylindol-3'-yl)-2-(styryl)oxazole 1220958-37-1 C25H18N2O3S
    4-(1'-benzenesulfonylindol-3'-yl)-2-(styryl)oxazole
    —— 4-methyl-2-((1S,2R,3S)-1,2,3,4-tetrahydroxybutyl)-1,2,3,4-tetrahydro-5H-benzo[e][1,2,4]triazepin-5-one 1310713-06-4 C13H19N3O5
    4-methyl-2-((1S,2R,3S)-1,2,3,4-tetrahydroxybutyl)-1,2,3,4-tetrahydro-5H-benzo[e][1,2,4]triazepin-5-one
    —— (4S,6R)-4,6-dihydroxy-1-(((1R,3aS,7aR,E)-7a-methyl-1-((R)-6-methylheptan-2-yl)octahydro-4H-inden-4-ylidene)methyl)-1,3,4,5,6,7-hexahydrobenzo[c]thiophene 2,2-dioxide-1,3,3-d3 160687-82-1 C27H44O4S
    (4S,6R)-4,6-dihydroxy-1-(((1R,3aS,7aR,E)-7a-methyl-1-((R)-6-methylheptan-2-yl)octahydro-4H-inden-4-ylidene)methyl)-1,3,4,5,6,7-hexahydrobenzo[c]thiophene 2,2-dioxide-1,3,3-d3
    —— 4-(carboxymethylthio)corticosterone 81983-29-1 C23H32O6S
    4-(carboxymethylthio)corticosterone
    —— 4-[((E)-1-(2-hydroxy-5-[(E)-2-(3-methylphenyl)-1-diazenyl]phenyl)methylidene)amino]benzoic acid 1196480-88-2 C21H17N3O3
    4-[((E)-1-(2-hydroxy-5-[(E)-2-(3-methylphenyl)-1-diazenyl]phenyl)methylidene)amino]benzoic acid
    —— 4-methyl-2a-(trifluoromethyl)-2H-azeto[1,2-a]quinoxaline-1,3-dione 109519-96-2 C12H9F3N2O2
    4-methyl-2a-(trifluoromethyl)-2H-azeto[1,2-a]quinoxaline-1,3-dione
    —— 4-nitrophenyl tBoc-L-cyclohexylalanine ester 78118-18-0 C20H28N2O6
    4-nitrophenyl tBoc-L-cyclohexylalanine ester
    —— (4-nitrophenyl) 4-amino-2-[[2-[2,4-bis(phenylmethoxy)phenyl]acetyl]amino]-4-oxobutanoate 113954-14-6 C32H29N3O8
    (4-nitrophenyl) 4-amino-2-[[2-[2,4-bis(phenylmethoxy)phenyl]acetyl]amino]-4-oxobutanoate
    —— 4-Chlor-3-(trifluormethyl)benzoldiazonium-tetrafluoroborat 95445-68-4 BF4*C7H3ClF3N2
    4-Chlor-3-(trifluormethyl)benzoldiazonium-tetrafluoroborat
    —— 4-butyl-2,2-bis-(chloro-difluoro-methyl)-oxazolidin-5-one 6458-24-8 C9H11Cl2F4NO2
    4-butyl-2,2-bis-(chloro-difluoro-methyl)-oxazolidin-5-one
    —— 4H-thieno[2,3-b]chromen-4-one 81028-78-6 C11H6O2S
    4H-thieno[2,3-b]chromen-4-one
    —— 4-hydroxy-8-methoxy-1-oxo-1,2-dihydropyridazino[4,5-b]quinoline 213382-83-3 C12H9N3O3
    4-hydroxy-8-methoxy-1-oxo-1,2-dihydropyridazino[4,5-b]quinoline
    —— 4-(1<i>H</i>-benzimidazol-2-yl)-2-nitro-phenol 96461-25-5 C13H9N3O3
    4-(1<i>H</i>-benzimidazol-2-yl)-2-nitro-phenol
    —— 4-chlorobenzylmagnesium chloride 874-72-6 C7H6Cl2Mg
    4-chlorobenzylmagnesium chloride
    —— 4-methyl-7-(3-(trifluoromethyl)phenyl)-1,2,3,4-tetrahydro-1,8-naphthyridine 1303588-37-5 C16H15F3N2
    4-methyl-7-(3-(trifluoromethyl)phenyl)-1,2,3,4-tetrahydro-1,8-naphthyridine
    —— (4bS,7S,8aR,9R)-4-hydroxy-3-methoxy-7-methyl-6-oxo-6,7,8,8a,9,10-hexahydro-5H-9,4b-(epiminoethano)phenanthrene-11-carbonitrile 78686-04-1 C19H22N2O3
    (4bS,7S,8aR,9R)-4-hydroxy-3-methoxy-7-methyl-6-oxo-6,7,8,8a,9,10-hexahydro-5H-9,4b-(epiminoethano)phenanthrene-11-carbonitrile
    —— (4R)-4-azido-5-(tert-butyldiphenylsilyloxy)-4-hydroxypentylacetate 929897-37-0 C23H31N3O3Si
    (4R)-4-azido-5-(tert-butyldiphenylsilyloxy)-4-hydroxypentylacetate
    —— 4-[3-[4-(3-aminopropylamino)butylamino]propylamino]-1-[(2R,4S,5R)-5-[[bis(4-methoxyphenyl)-phenylmethoxy]methyl]-4-hydroxyoxolan-2-yl]-5-methylpyrimidin-2-one 196393-37-0 C41H56N6O6
    4-[3-[4-(3-aminopropylamino)butylamino]propylamino]-1-[(2R,4S,5R)-5-[[bis(4-methoxyphenyl)-phenylmethoxy]methyl]-4-hydroxyoxolan-2-yl]-5-methylpyrimidin-2-one
    —— 4,5-hexadecyloxyphthalonitrile 118132-14-2 C40H68N2O2
    4,5-hexadecyloxyphthalonitrile
    —— 4-iodo-5-phenyl-3-(2,4,6-trimethylphenyl)isoxazole 123466-40-0 C18H16INO
    4-iodo-5-phenyl-3-(2,4,6-trimethylphenyl)isoxazole
    —— 4-(1,5-dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazol-4-ylamino)-3,5-dinitrobenzoic acid 1610566-92-1 C18H15N5O7
    4-(1,5-dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazol-4-ylamino)-3,5-dinitrobenzoic acid
    —— (4S,5S)-2,2-dibutyl-4,5-diphenyl-1,3,2-dioxastannolane 150025-55-1 C22H30O2Sn
    (4S,5S)-2,2-dibutyl-4,5-diphenyl-1,3,2-dioxastannolane
    —— (4'-Dimethylaminophenyl)-10,10'-di(16α,17α)-16-methoxycarbonyl-17-hydroxy-(<4aR-(4aα,13bβ,14aβ)>-1,2,3,4,4a,5,7,8,13,13b,14,14a-dodecahydrobenz<g>indolo<2,3-a>chinolizinyl)methan 78286-94-9 C51H61N5O6
    (4'-Dimethylaminophenyl)-10,10'-di(16α,17α)-16-methoxycarbonyl-17-hydroxy-(<4aR-(4aα,13bβ,14aβ)>-1,2,3,4,4a,5,7,8,13,13b,14,14a-dodecahydrobenz<g>indolo<2,3-a>chinolizinyl)methan
    —— (4aS,6aR,6bR,8aR,12aR,12bR,14bS)-6a-Hydroxymethyl-2,2,6b,9,9,12a-hexamethyl-10-oxo-1,3,4,5,6,6a,6b,7,8,8a,9,10,11,12,12a,12b,13,14b-octadecahydro-2H-picene-4a-carboxylic acid methyl ester 102636-95-3 C31H48O4
    (4aS,6aR,6bR,8aR,12aR,12bR,14bS)-6a-Hydroxymethyl-2,2,6b,9,9,12a-hexamethyl-10-oxo-1,3,4,5,6,6a,6b,7,8,8a,9,10,11,12,12a,12b,13,14b-octadecahydro-2H-picene-4a-carboxylic acid methyl ester
    —— (4aS,6aS,8R,9R,11aS,11bS)-8-(iodomethyl)-4,4,11b-trimethyltetradecahydro-6a,9-methanocyclohepta[a]naphthalen-8-yl acetate 43084-78-2 C22H35IO2
    (4aS,6aS,8R,9R,11aS,11bS)-8-(iodomethyl)-4,4,11b-trimethyltetradecahydro-6a,9-methanocyclohepta[a]naphthalen-8-yl acetate
    —— 4'-triethoxysilyl-4-iodobiphenyl 1380681-08-2 C18H23IO3Si
    4'-triethoxysilyl-4-iodobiphenyl
    —— [4-(3-{2,2,2-Trichloro-1-[(E)-(3-phenyl-acryloyl)amino]-ethyl}-thioureido)-butyl]-carbamic acid tert-butyl ester 863036-35-5 C21H29Cl3N4O3S
    [4-(3-{2,2,2-Trichloro-1-[(E)-(3-phenyl-acryloyl)amino]-ethyl}-thioureido)-butyl]-carbamic acid tert-butyl ester
    —— 4-[5,7-dihydroxy-4-oxo-6,8-bis(piperidin-1-ylmethyl)-4H-chromen-3-yl]phenyl-β-D-glucopyranoside 956923-35-6 C33H42N2O10
    4-[5,7-dihydroxy-4-oxo-6,8-bis(piperidin-1-ylmethyl)-4H-chromen-3-yl]phenyl-β-D-glucopyranoside
    —— 4,5α-epoxy-3-methoxy-17-methyl-quino[2',3':6,7]morphin-6-ene-4'-carboxylic acid 124440-72-8 C26H24N2O4
    4,5α-epoxy-3-methoxy-17-methyl-quino[2',3':6,7]morphin-6-ene-4'-carboxylic acid
    —— 4,6-dimetyl-1,3,5-trioxo-2a-trifluoromethyl-1,2,2a,3,5,6-hexahydro-4H-azeto<2,1-f><1,2,4>triazine 119811-72-2 C8H8F3N3O3
    4,6-dimetyl-1,3,5-trioxo-2a-trifluoromethyl-1,2,2a,3,5,6-hexahydro-4H-azeto<2,1-f><1,2,4>triazine
    —— 4-(1,1-dichloropropyl)-2-oxetanone 96165-29-6 C6H8Cl2O2
    4-(1,1-dichloropropyl)-2-oxetanone
    —— 4-methacryloyloxy-1-(E-2-hexenyl)-2,2,6,6-tetramethylpiperidine 869812-01-1 C19H33NO2
    4-methacryloyloxy-1-(E-2-hexenyl)-2,2,6,6-tetramethylpiperidine
    —— 4-benzyl-3-p-bromophenacyl-2-imino-2,3-dihydrothiazole 121953-09-1 C18H15BrN2OS
    4-benzyl-3-p-bromophenacyl-2-imino-2,3-dihydrothiazole
    —— 4-(quinolin-8-yl)spinacine 1206607-05-7 C16H14N4O2
    4-(quinolin-8-yl)spinacine
    —— 4-amino-3,5-dimethoxy-α-[(methylsulfonyl)-methyl]-benzyl alcohol 56066-27-4 C11H17NO5S
    4-amino-3,5-dimethoxy-α-[(methylsulfonyl)-methyl]-benzyl alcohol
    —— 4-(2,2,2-trifluoro-1-trifluoromethyl-ethylidene)-thietan-2-one 23592-36-1 C6H2F6OS
    4-(2,2,2-trifluoro-1-trifluoromethyl-ethylidene)-thietan-2-one
    —— 4-O-(α-D-glucopyranosyl)-α-D-glucopyranosyl fluoride 7584-85-2 C12H21FO10
    4-O-(α-D-glucopyranosyl)-α-D-glucopyranosyl fluoride
    —— 4-<(hexadecyloxy)sulfonyl>-N,N-dimethylbutanamonium trifluoromethanesulfonate 83635-00-1 CHF3O3S*C22H47NO3S
    4-<(hexadecyloxy)sulfonyl>-N,N-dimethylbutanamonium trifluoromethanesulfonate
    —— 4-methoxy-6-[3-(trifluoromethyl)phenoxy]-2-pyridinecarboxylic acid chloride 316350-41-1 C14H9ClF3NO3
    4-methoxy-6-[3-(trifluoromethyl)phenoxy]-2-pyridinecarboxylic acid chloride
    —— 4-(1,1-dioxo-1<i>H</i>-1λ<sup>6</sup>-benzo[<i>d</i>]isothiazol-3-yloxymethyl)-<i>N</i>,<i>N</i>-dimethyl-benzenesulfonamide 71398-47-5 C16H16N2O5S2
    4-(1,1-dioxo-1<i>H</i>-1λ<sup>6</sup>-benzo[<i>d</i>]isothiazol-3-yloxymethyl)-<i>N</i>,<i>N</i>-dimethyl-benzenesulfonamide
    —— {4-(2-aminoethyl)-1,2-benzenediolato(2-)-O,O'}bis(triphenylphosphine)platinum 73296-09-0 C44H39NO2P2Pt
    {4-(2-aminoethyl)-1,2-benzenediolato(2-)-O,O'}bis(triphenylphosphine)platinum
    —— 4-Nitro-benzoic acid 2-isopropoxycarbonyl-1-methyl-2-(4-nitro-benzoylamino)-ethyl ester 86323-46-8 C21H21N3O9
    4-Nitro-benzoic acid 2-isopropoxycarbonyl-1-methyl-2-(4-nitro-benzoylamino)-ethyl ester
    —— (4-ethoxy-1,2-bis(2,3,5,6-tetramethylphenyl)-1,2,4-triborolane-3,5-diyl)bis(trimethylsilane) 277742-11-7 C30H51B3OSi2
    (4-ethoxy-1,2-bis(2,3,5,6-tetramethylphenyl)-1,2,4-triborolane-3,5-diyl)bis(trimethylsilane)
    —— 4-((3S,5R,8R,9S,10S,13R,14S,17R)-3-((allyloxy)((3S,4R,5S)-3,4,5-trihydroxytetrahydro-2H-pyran-2-yl)amino)-14-hydroxy-10,13-dimethylhexadecahydro-1H-cyclopenta[a]phenanthren-17-yl)furan-2(5H)-one 1012080-05-5 C31H47NO8
    4-((3S,5R,8R,9S,10S,13R,14S,17R)-3-((allyloxy)((3S,4R,5S)-3,4,5-trihydroxytetrahydro-2H-pyran-2-yl)amino)-14-hydroxy-10,13-dimethylhexadecahydro-1H-cyclopenta[a]phenanthren-17-yl)furan-2(5H)-one
    —— 4-[5-(<i>N</i>-methyl-anilino)-penta-2,4-dienylidenamino]-benzoic acid ethyl ester; hydrochloride 116132-26-4 C21H22N2O2*ClH
    4-[5-(<i>N</i>-methyl-anilino)-penta-2,4-dienylidenamino]-benzoic acid ethyl ester; hydrochloride
    —— 4β-Chlor-5β-azido-androstandiol-(3β,17β)-17-propionat 18586-78-2 C22H34ClN3O3
    4β-Chlor-5β-azido-androstandiol-(3β,17β)-17-propionat
    —— 4-amino-1-[2-(pyrrolidin-1-yl)ethylamino]-9H-xanthen-9-one 887281-88-1 C19H21N3O2
    4-amino-1-[2-(pyrrolidin-1-yl)ethylamino]-9H-xanthen-9-one
    —— (4R,4aR,7aS,12bS)-9-methoxy-3-methyl-7-methylene-2,3,4,4a,-5,6,7,7a-octahydro-1H-4,12-methanobenzofuro[3,2-e]isoquinoline 113222-66-5 C19H23NO2
    (4R,4aR,7aS,12bS)-9-methoxy-3-methyl-7-methylene-2,3,4,4a,-5,6,7,7a-octahydro-1H-4,12-methanobenzofuro[3,2-e]isoquinoline
    —— (4S)-4-ethyl-4-[2-(hydroxycarbonyl)ethyl]dihydro-2(3H)-furanone 262846-96-8 C9H14O4
    (4S)-4-ethyl-4-[2-(hydroxycarbonyl)ethyl]dihydro-2(3H)-furanone
    —— 4-(dichlorophenylmethyl)-2-oxetanone 96165-31-0 C10H8Cl2O2
    4-(dichlorophenylmethyl)-2-oxetanone