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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 4-[(4,5-diamino-1-isopropyl-1H-pyrazole-3-ylmethyl)-amino]-phenol 459839-62-4 C13H19N5O
    4-[(4,5-diamino-1-isopropyl-1H-pyrazole-3-ylmethyl)-amino]-phenol
    —— 4-hydroxy-3-phenyl-7-pyridin-3-yl-isothiazolo[5,4-c]pyridine-5-carboxylic acid ethyl ester 1172589-51-3 C20H15N3O3S
    4-hydroxy-3-phenyl-7-pyridin-3-yl-isothiazolo[5,4-c]pyridine-5-carboxylic acid ethyl ester
    —— 4-hydroxy-butan-2-one <i>O</i>-ethyl-oxime 42875-60-5 C6H13NO2
    4-hydroxy-butan-2-one <i>O</i>-ethyl-oxime
    —— 4-phenyl-6,7-dimethoxy-3-methyl-3,4-dihydro-2H-1,3-benzothiazine 124282-05-9 C17H19NO2S
    4-phenyl-6,7-dimethoxy-3-methyl-3,4-dihydro-2H-1,3-benzothiazine
    —— 4-(5-(4-((2R,5R)-2,5-bis(4-chloro-3-nitrophenyl)pyrrolidin-1-yl)phenyl)pyridin-2-yl)morpholine 1258234-38-6 C31H27Cl2N5O5
    4-(5-(4-((2R,5R)-2,5-bis(4-chloro-3-nitrophenyl)pyrrolidin-1-yl)phenyl)pyridin-2-yl)morpholine
    —— 4a-(13,14-pentadecadienyl)-4,4a,5,6,7,8-hexahydro-2(3H)-naphthalenone 82026-36-6 C25H40O
    4a-(13,14-pentadecadienyl)-4,4a,5,6,7,8-hexahydro-2(3H)-naphthalenone
    —— 4-Chlormethyl-1,3-dioxo-2-phenyl-1,2,3,4-tetrahydroisochinolin 4494-60-4 C16H12ClNO2
    4-Chlormethyl-1,3-dioxo-2-phenyl-1,2,3,4-tetrahydroisochinolin
    —— 4,9-Dioxo-bicyclo<3.3.1>nonan-1-carbonsaeureethylester 21907-85-7 C12H16O4
    4,9-Dioxo-bicyclo<3.3.1>nonan-1-carbonsaeureethylester
    —— 4-(4-methylphenyl)-3,5-diphenyl-1,2,4-triazole 95309-32-3 C21H18N4
    4-(4-methylphenyl)-3,5-diphenyl-1,2,4-triazole
    —— 4-methyl-N'-(2-oxo-5-(trifluoromethoxy)indolin-3-ylidene)benzenesulfonohydrazide 1127350-05-3 C16H12F3N3O4S
    4-methyl-N'-(2-oxo-5-(trifluoromethoxy)indolin-3-ylidene)benzenesulfonohydrazide
    —— 4-(t-butyl)ferrocene-1,1',2,2'-tetrathiol 941607-33-6 C14H18FeS4
    4-(t-butyl)ferrocene-1,1',2,2'-tetrathiol
    —— 4-[2,5-Bis-(2,4,5-trichloro-phenoxymethyl)-pyrrol-1-yl]-pyridine 31309-01-0 C23H14Cl6N2O2
    4-[2,5-Bis-(2,4,5-trichloro-phenoxymethyl)-pyrrol-1-yl]-pyridine
    —— 4-[3,5-bis(triisopropylsilyloxy)phenoxy]-4-oxobutanoic acid 1622988-46-8 C28H50O6Si2
    4-[3,5-bis(triisopropylsilyloxy)phenoxy]-4-oxobutanoic acid
    —— 4-chloro-N-[(1S,2R)-2-(2-furyl)-1-(hydroxymethyl)-4-methylpentyl]benzenesulfonamide 635289-20-2 C17H22ClNO4S
    4-chloro-N-[(1S,2R)-2-(2-furyl)-1-(hydroxymethyl)-4-methylpentyl]benzenesulfonamide
    —— (4S,5S)-4-(methoxymethyl)-5-phenyl-2-((S)-1-phenyl-5-((trimethylsilyl)oxy)pentan-2-yl)-4,5-dihydrooxazole 73746-73-3 C25H35NO3Si
    (4S,5S)-4-(methoxymethyl)-5-phenyl-2-((S)-1-phenyl-5-((trimethylsilyl)oxy)pentan-2-yl)-4,5-dihydrooxazole
    —— 4-(1-hydroxy-4-phenylbut-3-yn-1-yl)phenol 1644562-87-7 C16H14O2
    4-(1-hydroxy-4-phenylbut-3-yn-1-yl)phenol
    —— 4-Hydroxy-4-methyl-6-phenyl-hex-5-yn-3-one oxime 17656-36-9 C13H15NO2
    4-Hydroxy-4-methyl-6-phenyl-hex-5-yn-3-one oxime
    —— 4-<3H-Naphth<1,2-d>imidazolyl-(2)>-2,3-dimethyl-5-oxo-1-phenyl-Δ<sup>3</sup>-pyrazolin 21627-66-7 C22H18N4O
    4-<3H-Naphth<1,2-d>imidazolyl-(2)>-2,3-dimethyl-5-oxo-1-phenyl-Δ<sup>3</sup>-pyrazolin
    —— 4t,6t-Bis-formylamino-cyclohexan-1r,2t,3c,5t-tetraol-tetraacetat 16647-79-3 C16H22N2O10
    4t,6t-Bis-formylamino-cyclohexan-1r,2t,3c,5t-tetraol-tetraacetat
    —— 4-(4-Ethoxy-benzenesulfonyl)-benzoic acid [1-phenyl-meth-(E)-ylidene]-hydrazide 17717-01-0 C22H20N2O4S
    4-(4-Ethoxy-benzenesulfonyl)-benzoic acid [1-phenyl-meth-(E)-ylidene]-hydrazide
    —— 4-Methoxybenzaldehyde-4-[2-(4-pyridyl)-5-pyrimidinyl]-phenylhydrazone 159488-81-0 C23H19N5O
    4-Methoxybenzaldehyde-4-[2-(4-pyridyl)-5-pyrimidinyl]-phenylhydrazone
    —— 4,4,5,5-tetramethyl-3-(5-phenylethynyl-pyridin-2-yl)-oxazolidin-2-one 1338490-95-1 C20H20N2O2
    4,4,5,5-tetramethyl-3-(5-phenylethynyl-pyridin-2-yl)-oxazolidin-2-one
    —— 4-iodomethyl-5-methyl-2-(3-trifluoromethylphenyl)oxazole 501362-94-3 C12H9F3INO
    4-iodomethyl-5-methyl-2-(3-trifluoromethylphenyl)oxazole
    —— (4S,6S)-4-hydroxymethyl-6-butyl-2,2-dimethyl-1,3-dioxane 465545-50-0 C11H22O3
    (4S,6S)-4-hydroxymethyl-6-butyl-2,2-dimethyl-1,3-dioxane
    —— (4-(4-(3,4-dimethylphenyl)-3-(m-tolyl)but-1-yn-1-yl)-3-(thiophen-2-yl)phenyl)methanol 1379928-92-3 C30H28OS
    (4-(4-(3,4-dimethylphenyl)-3-(m-tolyl)but-1-yn-1-yl)-3-(thiophen-2-yl)phenyl)methanol
    —— 4-hydroxy-3-((S,2E,4E,6E)-8-(hydroxymethyl)deca-2,4,6-trienoyl)-5-(4-hydroxyphenyl) pyridin-2(1H)-one 1322075-92-2 C22H23NO5
    4-hydroxy-3-((S,2E,4E,6E)-8-(hydroxymethyl)deca-2,4,6-trienoyl)-5-(4-hydroxyphenyl) pyridin-2(1H)-one
    —— 4-[(2-pyrrolidinyl-1H-benzimidazol-1yl)methyl]benzoyl chloride 313350-32-2 C19H18ClN3O
    4-[(2-pyrrolidinyl-1H-benzimidazol-1yl)methyl]benzoyl chloride
    —— 4"-O-methoxymethyltylosin 114442-71-6 C48H81NO18
    4"-O-methoxymethyltylosin
    —— 4-chloro-2-methyl-6-oxo-1-propyl-1,6-dihydro-pyridine-3-carboxylic acid [(S)-cyclobutyl-(3-fluoro-phenyl)-methyl]-amide 1310922-82-7 C21H24ClFN2O2
    4-chloro-2-methyl-6-oxo-1-propyl-1,6-dihydro-pyridine-3-carboxylic acid [(S)-cyclobutyl-(3-fluoro-phenyl)-methyl]-amide
    —— 4-(furan-2-yl)-2-methyl-6-phenyl-2,6,7,8-tetrahydro-1H-pyrazolo[1,2-a][1,2,4,5]tetrazin-1-one 1314239-50-3 C16H16N4O2
    4-(furan-2-yl)-2-methyl-6-phenyl-2,6,7,8-tetrahydro-1H-pyrazolo[1,2-a][1,2,4,5]tetrazin-1-one
    —— 4-[1-(4-Cyclohexylphenyl)-3-(N-isopropylphthalimid-4-yl)ureidomethyl]-N-(2H-tetrazol-5-yl)-benzamide 307988-78-9 C33H34N8O4
    4-[1-(4-Cyclohexylphenyl)-3-(N-isopropylphthalimid-4-yl)ureidomethyl]-N-(2H-tetrazol-5-yl)-benzamide
    —— (4S,1R,3S)-cis-2,2-dimethyl-4-(2,3,3-trimethyl-2-nitro-cyclopropyl)-[1,3]dioxolane 182824-50-6 C11H19NO4
    (4S,1R,3S)-cis-2,2-dimethyl-4-(2,3,3-trimethyl-2-nitro-cyclopropyl)-[1,3]dioxolane
    —— 4-(4-chloro-4-silacyclohexyl)-1-n-propylbenzene 180405-71-4 C14H21ClSi
    4-(4-chloro-4-silacyclohexyl)-1-n-propylbenzene
    —— (4S,2'R)-tert-butyl 2,2-dimethyl-4-(tetrahydrofuran-2'-yl)oxazolidine-3-carboxylate 832099-78-2 C14H25NO4
    (4S,2'R)-tert-butyl 2,2-dimethyl-4-(tetrahydrofuran-2'-yl)oxazolidine-3-carboxylate
    —— 4-bromo-N-cyclohexyl-N-ethyl-3-fluoro-benzamide 1235991-29-3 C15H19BrFNO
    4-bromo-N-cyclohexyl-N-ethyl-3-fluoro-benzamide
    —— 4-(4-Dimethylamino-2-methyl-styryl)-chinolin 96058-37-6 C20H20N2
    4-(4-Dimethylamino-2-methyl-styryl)-chinolin
    —— 4-(3-{2-[4-(2-amino-6-oxo-1,6-dihydro-purin-9-yl)-phenoxy]-ethyl}-ureido)-benzenesulfonyl fluoride 22404-25-7 C20H18FN7O5S
    4-(3-{2-[4-(2-amino-6-oxo-1,6-dihydro-purin-9-yl)-phenoxy]-ethyl}-ureido)-benzenesulfonyl fluoride
    —— 4-(2-(3-Chlorobenzoyl)carbohydrazonoyl)-2-ethoxyphenyl 4-propoxybenzoate 767310-22-5 C26H25ClN2O5
    4-(2-(3-Chlorobenzoyl)carbohydrazonoyl)-2-ethoxyphenyl 4-propoxybenzoate
    —— 4,4-Dinitro-butyrophenon 22445-50-7 C10H10N2O5
    4,4-Dinitro-butyrophenon
    —— (4RS,5RS)-4,5-di(methoxymethoxy)-6-oxocyclodecyl-(4-methoxy-2-methoxymethoxy)benzoate 471280-11-2 C24H36O10
    (4RS,5RS)-4,5-di(methoxymethoxy)-6-oxocyclodecyl-(4-methoxy-2-methoxymethoxy)benzoate
    —— 4-methyl-3-[[4-(3-pyridinyl)-2-pyrimidinyl]amino]benzoic acid N'-(4-methanesulfonylbenzoyl)hydrazide 1186620-01-8 C25H22N6O4S
    4-methyl-3-[[4-(3-pyridinyl)-2-pyrimidinyl]amino]benzoic acid N'-(4-methanesulfonylbenzoyl)hydrazide
    —— 4-Diisopropylsilanyl-2-methyl-but-3-yn-2-ol 154778-02-6 C11H22OSi
    4-Diisopropylsilanyl-2-methyl-but-3-yn-2-ol
    —— (4-chlorophenyl)bis(triphenyl-l5-phosphaneyl)palladium(IV) iodide 95247-26-0 C42H34ClIP2Pd
    (4-chlorophenyl)bis(triphenyl-l5-phosphaneyl)palladium(IV) iodide
    —— 4-amino-N-(4-((4-(benzyl(phenyl)carbamoyl)phenyl)(methyl)carbamoyl)phenyl)-N-methylbenzamide 1271739-47-9 C36H32N4O3
    4-amino-N-(4-((4-(benzyl(phenyl)carbamoyl)phenyl)(methyl)carbamoyl)phenyl)-N-methylbenzamide
    —— (4-fluoro-phenyl)-thiazolidinetrione 5-<i>m</i>-tolylhydrazone 73219-66-6 C16H12FN3O2S
    (4-fluoro-phenyl)-thiazolidinetrione 5-<i>m</i>-tolylhydrazone
    —— (4-hydroxybut-2-yn-1-yl)[3-(p-tolyl)prop-2-yn-1-yl]dimethylammonium chloride 1239016-74-0 C16H20NO*Cl
    (4-hydroxybut-2-yn-1-yl)[3-(p-tolyl)prop-2-yn-1-yl]dimethylammonium chloride
    —— 4-Isopropyl-1,3-dioxane 1122-65-2 C7H14O2
    4-Isopropyl-1,3-dioxane
    —— 4-{[(3-oxo-3H-isothiazolo[5,4-b]pyridine-2-carbonyl)-amino]-methyl}-benzoic acid tert-butyl ester 1352433-77-2 C19H19N3O4S
    4-{[(3-oxo-3H-isothiazolo[5,4-b]pyridine-2-carbonyl)-amino]-methyl}-benzoic acid tert-butyl ester
    —— [(4-Chlorophenyl)-[4-(trifluoromethoxy)phenyl]methylidene]hydrazine 941677-09-4 C14H10ClF3N2O
    [(4-Chlorophenyl)-[4-(trifluoromethoxy)phenyl]methylidene]hydrazine
    —— 4'-N-<Cbz-L-valylleucyl(N<sup>ε</sup>-Boc-lysyl)>primaquine 112925-77-6 C45H67N7O8
    4'-N-<Cbz-L-valylleucyl(N<sup>ε</sup>-Boc-lysyl)>primaquine