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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 4-Naphthalen-1-yl-cyclohex-3-enol 52244-97-0 C16H16O
    4-Naphthalen-1-yl-cyclohex-3-enol
    —— 4,6-Dichloro-5-(2-nitrovinyl)-pyrimidin 68751-97-3 C6H3Cl2N3O2
    4,6-Dichloro-5-(2-nitrovinyl)-pyrimidin
    —— 4-methyl-N-(2,2,2-trifluoroethyl)-2-{[1-(4-{[5-(trifluoromethyl)pyridin-2-yl]oxy}benzoyl)azetidin-3-yl]methyl}-2H-indazol-5-carboxamide 1442118-43-5 C28H23F6N5O3
    4-methyl-N-(2,2,2-trifluoroethyl)-2-{[1-(4-{[5-(trifluoromethyl)pyridin-2-yl]oxy}benzoyl)azetidin-3-yl]methyl}-2H-indazol-5-carboxamide
    —— 4,7-Dibromobenzo<d>-1,2-selenazol 58755-44-5 C7H3Br2NSe
    4,7-Dibromobenzo<d>-1,2-selenazol
    —— 4-methyl-2-oxo-6-(2-oxo-propyl)-1,2-dihydro-pyridine-3-carbonitrile 37708-84-2 C10H10N2O2
    4-methyl-2-oxo-6-(2-oxo-propyl)-1,2-dihydro-pyridine-3-carbonitrile
    —— (+)-(4R,6S)-6-((R)-1,2-dihydroxyethyl)-3-(4-nitrophenylsulfonyl)-4-vinyl-1,3-oxazinan-2-one 1185061-30-6 C14H16N2O8S
    (+)-(4R,6S)-6-((R)-1,2-dihydroxyethyl)-3-(4-nitrophenylsulfonyl)-4-vinyl-1,3-oxazinan-2-one
    —— 4a(2)-(3-Iodopropoxy)-2a(2)-methyl[1,1a(2)-biphenyl]-4-carbonitrile 1201937-17-8 C17H16INO
    4a(2)-(3-Iodopropoxy)-2a(2)-methyl[1,1a(2)-biphenyl]-4-carbonitrile
    —— 4-Nitro-1-(2,3,5-tri-O-acetyl-β-D-ribofuranosyl)-<1,2,3>triazol 40984-99-4 C13H16N4O9
    4-Nitro-1-(2,3,5-tri-O-acetyl-β-D-ribofuranosyl)-<1,2,3>triazol
    —— 4-hydroxy-1-(4-[2-(pyrrolidin-1-yl)ethoxy]phenyl)-pyridin-2(1H)-one 864758-12-3 C17H20N2O3
    4-hydroxy-1-(4-[2-(pyrrolidin-1-yl)ethoxy]phenyl)-pyridin-2(1H)-one
    —— 4-(3-p-tolyl-4-oxo-2-thioxothiazolidin-5-ylimino)-3-methyl-1-(piperidin-1-ylmethyl)-pyrazolin-5-one 109226-63-3 C20H23N5O2S2
    4-(3-p-tolyl-4-oxo-2-thioxothiazolidin-5-ylimino)-3-methyl-1-(piperidin-1-ylmethyl)-pyrazolin-5-one
    —— 4-trifluoromethylaniline trifluoroacetate 1271729-54-4 C2HF3O2*C7H6F3N
    4-trifluoromethylaniline trifluoroacetate
    —— 4-[(4-fluorophenyl)methylideneamino]-2-[[4-(4-fluorophenyl)-1-[(4-methylpiperazin-1-yl)methyl]-5-sulfanylidene-1,2,4-triazol-3-yl]methyl]-5-(4-methylphenyl)-1,2,4-triazol-3-one 1163684-83-0 C31H31F2N9OS
    4-[(4-fluorophenyl)methylideneamino]-2-[[4-(4-fluorophenyl)-1-[(4-methylpiperazin-1-yl)methyl]-5-sulfanylidene-1,2,4-triazol-3-yl]methyl]-5-(4-methylphenyl)-1,2,4-triazol-3-one
    —— 4α-acetoxyandrost-5-ene-3,17-dione 1140823-19-3 C21H28O4
    4α-acetoxyandrost-5-ene-3,17-dione
    —— 4-(9-(4-Fluorophenyl)-3-oxo-3,7,8,9-tetrahydro-2H-pyrido[4,3,2-de]phthalazin-8-yl)-N,N-dimethylbenzamide 1207454-96-3 C25H21FN4O2
    4-(9-(4-Fluorophenyl)-3-oxo-3,7,8,9-tetrahydro-2H-pyrido[4,3,2-de]phthalazin-8-yl)-N,N-dimethylbenzamide
    —— 4-butyl-1,2-diphenyl-4-thiocyanatopyrazolidine-3,5-dione 23109-86-6 C20H19N3O2S
    4-butyl-1,2-diphenyl-4-thiocyanatopyrazolidine-3,5-dione
    —— (4S)-5c-formyl-4r-methoxycarbonylmethyl-6t-methyl-5,6-dihydro-4H-pyran-3-carboxylic acid methyl ester 37456-15-8 C12H16O6
    (4S)-5c-formyl-4r-methoxycarbonylmethyl-6t-methyl-5,6-dihydro-4H-pyran-3-carboxylic acid methyl ester
    —— 4-hydroxy-9-methoxy-7-methyl-5H-furo-<3,2-g>-benzopyrane-5-thione 134150-75-7 C13H10O4S
    4-hydroxy-9-methoxy-7-methyl-5H-furo-<3,2-g>-benzopyrane-5-thione
    —— 4-[4-(3,7-dimethyloctyloxy)benzoyloxy]benzoic acid 1347025-15-3 C24H30O5
    4-[4-(3,7-dimethyloctyloxy)benzoyloxy]benzoic acid
    —— 4-(6-((tert-butyldimethylsilyl)oxy)-3-(4-(2-morpholinoethoxy)benzoyl)benzo[b]thiophen-2-yl)phenyl (2-((4Z,7Z,10Z,13Z,16Z,19Z)-docosa-4,7,10,13,16,19-hexaenamido)ethyl)carbamate 1333084-87-9 C58H75N3O7SSi
    4-(6-((tert-butyldimethylsilyl)oxy)-3-(4-(2-morpholinoethoxy)benzoyl)benzo[b]thiophen-2-yl)phenyl (2-((4Z,7Z,10Z,13Z,16Z,19Z)-docosa-4,7,10,13,16,19-hexaenamido)ethyl)carbamate
    —— 4-(2-Morpholin-4-yl-ethyl)-piperazine-1-carbaldehyde; compound with oxalic acid 22771-89-7 C2H2O4*C11H21N3O2
    4-(2-Morpholin-4-yl-ethyl)-piperazine-1-carbaldehyde; compound with oxalic acid
    —— 4-Ethyl-2-isopropyl-5-phenylthioimidazol 37716-51-1 C14H18N2S
    4-Ethyl-2-isopropyl-5-phenylthioimidazol
    —— 4,8-Dibromo-2,6-bis-(4-methoxy-phenyl)-benzo[1,2-d;4,5-d']bisoxazole 43036-75-5 C22H14Br2N2O4
    4,8-Dibromo-2,6-bis-(4-methoxy-phenyl)-benzo[1,2-d;4,5-d']bisoxazole
    —— [[4-[(Z)-[[2,6-bis[bis(trimethylsilyl)methyl]-4-[tris(trimethylsilyl)methyl]phenyl]-bromosilylidene]-phenylsilyl]-3,5-bis[bis(trimethylsilyl)methyl]phenyl]-bis(trimethylsilyl)methyl]-trimethylsilane 1071937-32-0 C66H139BrSi16
    [[4-[(Z)-[[2,6-bis[bis(trimethylsilyl)methyl]-4-[tris(trimethylsilyl)methyl]phenyl]-bromosilylidene]-phenylsilyl]-3,5-bis[bis(trimethylsilyl)methyl]phenyl]-bis(trimethylsilyl)methyl]-trimethylsilane
    —— (4-chloro-phenyl)-(4,6-dichloro-5-methylsulfanyl-pyrimidin-2-yl)-methyl-amine 55416-87-0 C12H10Cl3N3S
    (4-chloro-phenyl)-(4,6-dichloro-5-methylsulfanyl-pyrimidin-2-yl)-methyl-amine
    —— (4aR)-8-((R)-1-hydroxyethyl)-5,7-dihydroxy-3,4a,6-trimethyl-1-phenyl-1H-benzofuro[3,2-f]indazol-4-one 1392215-85-8 C24H22N2O5
    (4aR)-8-((R)-1-hydroxyethyl)-5,7-dihydroxy-3,4a,6-trimethyl-1-phenyl-1H-benzofuro[3,2-f]indazol-4-one
    —— 4-nitro tartranilic acid salt of (R)-isomer of 4-benzyl salbutamol 1005420-21-2 C10H10N2O7*C20H27NO3
    4-nitro tartranilic acid salt of (R)-isomer of 4-benzyl salbutamol
    —— [(4S,5R)-5-phenyl-4,5-dihydro-1,3-oxazol-4-yl]-piperidin-1-ylmethanone 121687-15-8 C15H18N2O2
    [(4S,5R)-5-phenyl-4,5-dihydro-1,3-oxazol-4-yl]-piperidin-1-ylmethanone
    —— 4,6,10,12,16,18,22,24-octahydroxy-5,11,17,23-tetrakis[N-dihexylphosphoryl-methyl(2,2-di-methoxyethyl)aminomethyl]-2,8,14,20-tetra-hexylpentacyclo[19.3.1.13,7.19,13.115,19]octacosa-1(25),3,5,7(28),9,11,13(27),15,17,19(26),21,23-dodecaene 1439386-12-5 C128H232N4O20P4
    4,6,10,12,16,18,22,24-octahydroxy-5,11,17,23-tetrakis[N-dihexylphosphoryl-methyl(2,2-di-methoxyethyl)aminomethyl]-2,8,14,20-tetra-hexylpentacyclo[19.3.1.13,7.19,13.115,19]octacosa-1(25),3,5,7(28),9,11,13(27),15,17,19(26),21,23-dodecaene
    —— 4,4-dimethyl-10,15-dioxapentacyclo<9,2,2,01,12,02,6,08,12>pentadec-6-en-14-one 61055-96-7 C15H18O3
    4,4-dimethyl-10,15-dioxapentacyclo<9,2,2,01,12,02,6,08,12>pentadec-6-en-14-one
    —— 4-Hydroxy-8-trifluoromethoxy-quinoline-3-carboxylic acid thiazol-2-ylamide 66757-47-9 C14H8F3N3O3S
    4-Hydroxy-8-trifluoromethoxy-quinoline-3-carboxylic acid thiazol-2-ylamide
    —— 4aβ-hydroxy-3β-methoxy-4aα-methyl-4a-homo-7-nor-5β-cholestan-5-yloxyacetic acid lactone 103721-17-1 C31H52O4
    4aβ-hydroxy-3β-methoxy-4aα-methyl-4a-homo-7-nor-5β-cholestan-5-yloxyacetic acid lactone
    —— 4,4',4''-tris[ethynyl-trans-Pt(PEt3)2I]triphenylamine 1007866-62-7 C60H102I3NP6Pt3
    4,4',4''-tris[ethynyl-trans-Pt(PEt3)2I]triphenylamine
    —— 4,4'-(1,4-phenylenediisopropylidene)bis(isocyanobenzene) 1620164-62-6 C26H24N2
    4,4'-(1,4-phenylenediisopropylidene)bis(isocyanobenzene)
    —— 4-phenylpyrido[3,4-d]pyrimidine 1644428-94-3 C13H9N3
    4-phenylpyrido[3,4-d]pyrimidine
    —— (4R,4aR,7aR,12bS)-3-(cyclopropylmethyl)-6-isobutyryl-9-methoxy-2,3,4,4a,5,7a-hexahydro-1H-4,12-methanobenzofuro[3,2-e]isoquinolin-7-yl isobutyrate 82331-97-3 C29H37NO5
    (4R,4aR,7aR,12bS)-3-(cyclopropylmethyl)-6-isobutyryl-9-methoxy-2,3,4,4a,5,7a-hexahydro-1H-4,12-methanobenzofuro[3,2-e]isoquinolin-7-yl isobutyrate
    —— 4-{2-[4-(diphenylamino)phenyl]ethynyl}-N-(2-bromoethyl)-1,8-naphthalimide 936614-95-8 C34H23BrN2O2
    4-{2-[4-(diphenylamino)phenyl]ethynyl}-N-(2-bromoethyl)-1,8-naphthalimide
    —— 4-Hexadecylsulfanyl-3-[(1-hydroxy-naphthalene-2-carbonyl)-amino]-benzenesulfonyl fluoride 2710-44-3 C33H44FNO4S2
    4-Hexadecylsulfanyl-3-[(1-hydroxy-naphthalene-2-carbonyl)-amino]-benzenesulfonyl fluoride
    —— 4-(2-methoxyphenyl)-2-(2-methylpyrazolo[1,5-a]pyridin-3-yl)-1,3-thiazole-5-carboxylic acid 1239504-58-5 C19H15N3O3S
    4-(2-methoxyphenyl)-2-(2-methylpyrazolo[1,5-a]pyridin-3-yl)-1,3-thiazole-5-carboxylic acid
    —— 4-Dimethylamino-biphenyl-2,5-dicarboxylic acid dimethyl ester 52351-54-9 C18H19NO4
    4-Dimethylamino-biphenyl-2,5-dicarboxylic acid dimethyl ester
    —— 4-Nitro-benzoic acid 4-methyl-3-methylene-1-trimethylsilanylethynyl-pentyl ester 741271-33-0 C19H25NO4Si
    4-Nitro-benzoic acid 4-methyl-3-methylene-1-trimethylsilanylethynyl-pentyl ester
    —— 4-Phenylsulfanyl-benzoic acid [1-(4-dimethylamino-phenyl)-meth-(E)-ylidene]-hydrazide 32119-02-1 C22H21N3OS
    4-Phenylsulfanyl-benzoic acid [1-(4-dimethylamino-phenyl)-meth-(E)-ylidene]-hydrazide
    —— 4-{[1-Phenyl-meth-(E)-ylidene]-amino}-benzoic acid ethyl ester; compound with phosphoric acid diphenyl ester 25693-96-3 C12H11O4P*C16H15NO2
    4-{[1-Phenyl-meth-(E)-ylidene]-amino}-benzoic acid ethyl ester; compound with phosphoric acid diphenyl ester
    —— 4-chloro-5-methyl-2-phenyl-2<i>H</i>-pyrazole-3-sulfonic acid amide 33064-02-7 C10H10ClN3O2S
    4-chloro-5-methyl-2-phenyl-2<i>H</i>-pyrazole-3-sulfonic acid amide
    —— (4-hydroxy-3-nitro-phenyl)-phenyl-arsinic acid 875241-21-7 C12H10AsNO5
    (4-hydroxy-3-nitro-phenyl)-phenyl-arsinic acid
    —— 4β-(2-chlorobenzimidoyl)-4-deoxypodophyllotoxin 1352616-36-4 C29H26ClNO7
    4β-(2-chlorobenzimidoyl)-4-deoxypodophyllotoxin
    —— [4-(2,6-dimethyl-4-oxo-4H-quinazolin-3-yl)-benzenesulfonyl]-guanidine 107414-72-2 C17H17N5O3S
    [4-(2,6-dimethyl-4-oxo-4H-quinazolin-3-yl)-benzenesulfonyl]-guanidine
    —— (4-chlorophenyl)phenylethylene 14845-78-4 C13H9Cl
    (4-chlorophenyl)phenylethylene
    —— 4-(((10-hydroxyphenanthren-9-yloxy)-methyl)(methyl)amino)benzaldehyde 1009736-49-5 C23H19NO3
    4-(((10-hydroxyphenanthren-9-yloxy)-methyl)(methyl)amino)benzaldehyde
    —— 4,6-dibromo-cholestadien-(3.5)-one-(7) 73305-61-0 C27H40Br2O
    4,6-dibromo-cholestadien-(3.5)-one-(7)
    —— 4-(4-fluorophenyl)-1,3-dimethyl-6-nitro-3-(nitromethyl)-3,5-dihydropyrrolo[4,3,2-de]quinolin-2(1H)-one 1644341-41-2 C19H15FN4O5
    4-(4-fluorophenyl)-1,3-dimethyl-6-nitro-3-(nitromethyl)-3,5-dihydropyrrolo[4,3,2-de]quinolin-2(1H)-one