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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 4-hydroxy-3-(1-(phenylimino)ethyl)-2H-chromen-2-one 18522-53-7 C17H13NO3
    4-hydroxy-3-(1-(phenylimino)ethyl)-2H-chromen-2-one
    —— [4-(4-cyanobenzoyl)oxyphenyl] 5-butylpyridine-2-carboxylate 100201-95-4 C24H20N2O4
    [4-(4-cyanobenzoyl)oxyphenyl] 5-butylpyridine-2-carboxylate
    —— 4-([1,1'-biphenyl]-4-yl)-N-(4-(2-hydroxy-2-phenylacetamido)butyl)-4-oxobutanamide 1284258-92-9 C28H30N2O4
    4-([1,1'-biphenyl]-4-yl)-N-(4-(2-hydroxy-2-phenylacetamido)butyl)-4-oxobutanamide
    —— 4-methyl-N-[propan-2-yl(pyridin-2-yl)-λ4-sulfanylidene]benzenesulfonamide 76455-89-5 C15H18N2O2S2
    4-methyl-N-[propan-2-yl(pyridin-2-yl)-λ4-sulfanylidene]benzenesulfonamide
    —— 4-O-[2,3,4,6-tetra-O-acetyl-(β-D-galacopyranosyl)]-2-N-acetyl-1-N-allyloxycarbonyl-3,6-di-O-acetyl-1,2-dideoxy-1,2-di-(p-toluenesulfonamido)-β-D-glucopyranose 920968-82-7 C44H54N2O22S2
    4-O-[2,3,4,6-tetra-O-acetyl-(β-D-galacopyranosyl)]-2-N-acetyl-1-N-allyloxycarbonyl-3,6-di-O-acetyl-1,2-dideoxy-1,2-di-(p-toluenesulfonamido)-β-D-glucopyranose
    —— 4-Aminomethyl-5-(2-dimethylamino-ethylsulfanylmethyl)-2-methyl-pyridin-3-ol; hydrobromide 84928-36-9 3BrH*C12H21N3OS
    4-Aminomethyl-5-(2-dimethylamino-ethylsulfanylmethyl)-2-methyl-pyridin-3-ol; hydrobromide
    —— (4S)-2-isopropyl-1,3-oxazolidine-4-carboxylic acid methyl ester 885483-49-8 C8H15NO3
    (4S)-2-isopropyl-1,3-oxazolidine-4-carboxylic acid methyl ester
    —— 4-acetyl-2-ethyl-5-menyloxazole 1414365-54-0 C8H11NO2
    4-acetyl-2-ethyl-5-menyloxazole
    —— 4-methyl-N-[5-[[4-[4-[[5-[(4-methylphenyl)sulfonylamino]-1,3,4-thiadiazol-2-yl]methylamino]phenyl]sulfonylanilino]methyl]-1,3,4-thiadiazol-2-yl]benzenesulfonamide 134479-31-5 C32H30N8O6S5
    4-methyl-N-[5-[[4-[4-[[5-[(4-methylphenyl)sulfonylamino]-1,3,4-thiadiazol-2-yl]methylamino]phenyl]sulfonylanilino]methyl]-1,3,4-thiadiazol-2-yl]benzenesulfonamide
    —— 4-Hydroxy-3-methoxy-14,17-dimethyl-C-normorphinan-6-on 80764-24-5 C18H23NO3
    4-Hydroxy-3-methoxy-14,17-dimethyl-C-normorphinan-6-on
    —— 4-([4-dimethylaminobenzylidene]hydrazinocarbonyl)-1-(carboxy(ethoxycarbonyl)methyl)-1,4-dihydropyridine 1146216-36-5 C20H24N4O5
    4-([4-dimethylaminobenzylidene]hydrazinocarbonyl)-1-(carboxy(ethoxycarbonyl)methyl)-1,4-dihydropyridine
    —— 4-amino-N-(9-bromononyl)-1,8-naphthalimide 133932-10-2 C21H25BrN2O2
    4-amino-N-(9-bromononyl)-1,8-naphthalimide
    —— (4-chloro-6-methyl-2-oxo-2H-quinolin-1-yl)-acetic acid ethyl ester 1380598-42-4 C14H14ClNO3
    (4-chloro-6-methyl-2-oxo-2H-quinolin-1-yl)-acetic acid ethyl ester
    —— (4Z)-4-[(6-bromo-2-chloro-3-quinolinyl)methylene]-2-phenyl-1,3-oxazol-5(4H)-one 1333530-14-5 C19H10BrClN2O2
    (4Z)-4-[(6-bromo-2-chloro-3-quinolinyl)methylene]-2-phenyl-1,3-oxazol-5(4H)-one
    —— 4-{4-[4-fluoro-3-(trifluoromethyl)phenyl]-1H-imidazol-2-yl}pyridine acetic acid salt 1399035-82-5 C2H4O2*C15H9F4N3
    4-{4-[4-fluoro-3-(trifluoromethyl)phenyl]-1H-imidazol-2-yl}pyridine acetic acid salt
    —— 4,5,7,8-tetrahydro-2-(4'-formylphenyl)-6H-[1,3,6,2]dioxazaborocane 143977-91-7 C11H14BNO3
    4,5,7,8-tetrahydro-2-(4'-formylphenyl)-6H-[1,3,6,2]dioxazaborocane
    —— 4,5α-epoxy-3-methoxy-17-methyl-6α-(2,4,5-trimethyl-pyrrole-3-carbonyloxy)-morphin-7-ene 52321-35-4 C26H30N2O4
    4,5α-epoxy-3-methoxy-17-methyl-6α-(2,4,5-trimethyl-pyrrole-3-carbonyloxy)-morphin-7-ene
    —— 4,9-dioxo-4,5,9,10-tetrahydro-4λ<sup>5</sup>,9λ<sup>5</sup>-phosphinino[2,3,4,5-<i>lmn</i>]phosphanthridine-4,9-diol 40964-81-6 C14H12O4P2
    4,9-dioxo-4,5,9,10-tetrahydro-4λ<sup>5</sup>,9λ<sup>5</sup>-phosphinino[2,3,4,5-<i>lmn</i>]phosphanthridine-4,9-diol
    —— [4-(2-nitro-but-1-en-<i>c</i>-yl)-phenoxy]-acetic acid ethyl ester 24649-50-1 C14H17NO5
    [4-(2-nitro-but-1-en-<i>c</i>-yl)-phenoxy]-acetic acid ethyl ester
    —— 4-Trifluor-methyl-tetrahydrophthalsaeureanhydrid 446-03-7 C9H7F3O3
    4-Trifluor-methyl-tetrahydrophthalsaeureanhydrid
    —— 4-[(S)-3-Oxo-3-pyrrolidin-1-yl-2-(quinoline-8-sulfonylamino)-propyl]-benzamidine; hydriodide 104503-08-4 C23H25N5O3S*HI
    4-[(S)-3-Oxo-3-pyrrolidin-1-yl-2-(quinoline-8-sulfonylamino)-propyl]-benzamidine; hydriodide
    —— 4A,9-diethyl-2,3,4,4a-tetrahydro-carbazole 102075-27-4 C16H21N
    4A,9-diethyl-2,3,4,4a-tetrahydro-carbazole
    —— 4-dimethylamino-2-(4-bromobenzyloxy)benzaldehyde 101046-15-5 C16H16BrNO2
    4-dimethylamino-2-(4-bromobenzyloxy)benzaldehyde
    —— 4-chloro-6-(methylsulfonyl)quinoline-3-carboxamide 801315-20-8 C11H9ClN2O3S
    4-chloro-6-(methylsulfonyl)quinoline-3-carboxamide
    —— 4-N-[7-chloro-3-[4-(trifluoromethoxy)phenyl]quinolin-4-yl]-1-N,1-N-diethylpentane-1,4-diamine 1447161-01-4 C25H29ClF3N3O
    4-N-[7-chloro-3-[4-(trifluoromethoxy)phenyl]quinolin-4-yl]-1-N,1-N-diethylpentane-1,4-diamine
    —— 4-iodo-2-methoxyphenyl trifluoromethanesulfonate 1287702-44-6 C8H6F3IO4S
    4-iodo-2-methoxyphenyl trifluoromethanesulfonate
    —— 4-[6-(4,4,4,3,3,2,2-heptaflurobutoxy)hexyl-1-oxy]-2-fluorobenzoic acid 1207481-00-2 C17H18F8O4
    4-[6-(4,4,4,3,3,2,2-heptaflurobutoxy)hexyl-1-oxy]-2-fluorobenzoic acid
    —— 4-{8-[3,5-dichloro-4-(trifluoromethoxy)benzyl]-1-oxa-2,8-diazaspiro[4.5]dec-2-en-3-yl}benzoic acid trifluoroacetate 1350759-43-1 C2HF3O2*C22H19Cl2F3N2O4
    4-{8-[3,5-dichloro-4-(trifluoromethoxy)benzyl]-1-oxa-2,8-diazaspiro[4.5]dec-2-en-3-yl}benzoic acid trifluoroacetate
    —— 4,4-difluoro-1,3,5,7-tetramethyl-2,6-dipentyl-4-bora-3a,4a-diaza-s-indacene 1431319-75-3 C23H35BF2N2
    4,4-difluoro-1,3,5,7-tetramethyl-2,6-dipentyl-4-bora-3a,4a-diaza-s-indacene
    —— 4-(chlorocarbonyl)-3,5-dimethylphenyl acetate 1351163-94-4 C11H11ClO3
    4-(chlorocarbonyl)-3,5-dimethylphenyl acetate
    —— (4S,8R)-8,9-Dibrom-p-menth-1(6)-en-2-on 43060-07-7 C10H14Br2O
    (4S,8R)-8,9-Dibrom-p-menth-1(6)-en-2-on
    —— 4-O-[2,3,4,6-tetra-O-acetyl-(β-D-galacopyranosyl)]-2-N-acetyl-3,6-di-O-acetyl-1,2-dideoxy-1,2-di-(p-toluenesulfonamido)-β-D-glucopyranose 920968-79-2 C40H50N2O20S2
    4-O-[2,3,4,6-tetra-O-acetyl-(β-D-galacopyranosyl)]-2-N-acetyl-3,6-di-O-acetyl-1,2-dideoxy-1,2-di-(p-toluenesulfonamido)-β-D-glucopyranose
    —— 4-(2-Furan-2-yl-2-hydroxy-dodecyloxymethyl)-2,6-dimethyl-phenol 503002-56-0 C25H38O4
    4-(2-Furan-2-yl-2-hydroxy-dodecyloxymethyl)-2,6-dimethyl-phenol
    —— 4-(8-bromooctyloxy)aniline 1392196-81-4 C14H22BrNO
    4-(8-bromooctyloxy)aniline
    —— 4β,5-dihydroxy-5α-androstane-3,17,19-trione 4,19-hemiacetal 84882-49-5 C19H26O5
    4β,5-dihydroxy-5α-androstane-3,17,19-trione 4,19-hemiacetal
    —— 4-((allyl-1,1-d2)oxy)-N,N-dimethyl-3-oxobutanamide 871123-38-5 C9H15NO3
    4-((allyl-1,1-d2)oxy)-N,N-dimethyl-3-oxobutanamide
    —— (4S)-3-benzyl-4-[(1'R,2'R,3'S,4'E)-2'-(benzyloxy)-12',12'-ethylenedioxy-1',3'-(isopropylidenedioxy)octadec-4'-enyl]-4-(hydroxymethyl)oxazolidin-2-one 1258426-96-8 C41H59NO8
    (4S)-3-benzyl-4-[(1'R,2'R,3'S,4'E)-2'-(benzyloxy)-12',12'-ethylenedioxy-1',3'-(isopropylidenedioxy)octadec-4'-enyl]-4-(hydroxymethyl)oxazolidin-2-one
    —— 4'-O-(1-methoxymethoxyethoxy)methyl-Avermectin B1a monosaccharide 1065669-03-5 C46H70O14
    4'-O-(1-methoxymethoxyethoxy)methyl-Avermectin B1a monosaccharide
    —— 4-(4,5-dihydro-1H-imidazol-2-yl)-fluoren-9-one trifluoroacetate 1021018-29-0 C2HF3O2*C16H12N2O
    4-(4,5-dihydro-1H-imidazol-2-yl)-fluoren-9-one trifluoroacetate
    —— 4-Chloro-3-(2-methoxyphenyl)-2-methyl-6,7-dihydroindazole-5-carbaldehyde 1356598-06-5 C16H15ClN2O2
    4-Chloro-3-(2-methoxyphenyl)-2-methyl-6,7-dihydroindazole-5-carbaldehyde
    —— 4-{2,6-dimethyl-4-[(2-methoxy-1,2-dioxoethyl)amino]phenoxy}-2-isopropylphenyl 3,7,12(3α,5β,7α, 12α)-trihydroxycholan-24-oate 156740-53-3 C44H61NO9
    4-{2,6-dimethyl-4-[(2-methoxy-1,2-dioxoethyl)amino]phenoxy}-2-isopropylphenyl 3,7,12(3α,5β,7α, 12α)-trihydroxycholan-24-oate
    —— 4-(1,2,3,4-tetrahydroxybutyl)-3H-1,3-thiazole-2-thione 18690-24-9 C7H11NO4S2
    4-(1,2,3,4-tetrahydroxybutyl)-3H-1,3-thiazole-2-thione
    —— 4-benzyl-4-methylmorpholinium dodecyl sulfate 1350473-98-1 C12H18NO*C12H25O4S
    4-benzyl-4-methylmorpholinium dodecyl sulfate
    —— 4-(pentatriacontan-18-ylsulfonyl)benzoic acid 1399816-69-3 C42H76O4S
    4-(pentatriacontan-18-ylsulfonyl)benzoic acid
    —— 4-(2-Chloro-ethylsulfanyl)-2-p-tolyl-quinoline 36074-02-9 C18H16ClNS
    4-(2-Chloro-ethylsulfanyl)-2-p-tolyl-quinoline
    —— (4-Fluorsulfonyl-phenethyl)-carbamidsaeure-(4-nitrophenylester) 30822-44-7 C15H13FN2O6S
    (4-Fluorsulfonyl-phenethyl)-carbamidsaeure-(4-nitrophenylester)
    —— 4-<Bis-(4-styryl-2,6-dioxo-cyclohexyl)-methyl>-2-thioxo-6-oxo-pyrimidin 27259-19-4 C33H32N2O5S
    4-<Bis-(4-styryl-2,6-dioxo-cyclohexyl)-methyl>-2-thioxo-6-oxo-pyrimidin
    —— 4,6-Dihydroxy-2-methyl-1,2,3,4-tetrahydro-isoquinoline-1-carboxylic acid isopropylidene-hydrazide 23824-14-8 C14H19N3O3
    4,6-Dihydroxy-2-methyl-1,2,3,4-tetrahydro-isoquinoline-1-carboxylic acid isopropylidene-hydrazide
    —— 4,4'-[5-(4-ethoxy-benzyl)-2-methylsulfanyl-pyrimidine-4,6-diyl]-bis-morpholine 23212-21-7 C22H30N4O3S
    4,4'-[5-(4-ethoxy-benzyl)-2-methylsulfanyl-pyrimidine-4,6-diyl]-bis-morpholine
    —— 4-Diphenylmethylen-1,2,3,4-tetrahydropyrid-2-on 26344-76-3 C18H15NO
    4-Diphenylmethylen-1,2,3,4-tetrahydropyrid-2-on