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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— (4R)-1-t-butyldimethylsilyl-4-<2,2-dimethylthio-2-(2-furanyl)>ethyl-azetidin-2-one 88139-83-7 C17H29NO2S2Si
    (4R)-1-t-butyldimethylsilyl-4-<2,2-dimethylthio-2-(2-furanyl)>ethyl-azetidin-2-one
    —— 4-amino-N-(2-oxo-4-pyrimidinyl)benzenesulfonamide 3346-12-1 C10H10N4O3S
    4-amino-N-(2-oxo-4-pyrimidinyl)benzenesulfonamide
    —— 4-methoxy-<i>N</i>-(3-phenyl-2<i>H</i>-azirin-2-ylmethylene)-aniline 63637-54-7 C16H14N2O
    4-methoxy-<i>N</i>-(3-phenyl-2<i>H</i>-azirin-2-ylmethylene)-aniline
    —— 4-nitro-N-<2-(2-methyl-3,6-endomethylenepiperidazino)ethyl>benzamide 159583-39-8 C15H20N4O3
    4-nitro-N-<2-(2-methyl-3,6-endomethylenepiperidazino)ethyl>benzamide
    —— 4-<6-amino-5-(dimethylamino)-3-cyclohexen-1-yl>-2-methoxyphenyl ethyl carbamate 141944-33-4 C18H27N3O3
    4-<6-amino-5-(dimethylamino)-3-cyclohexen-1-yl>-2-methoxyphenyl ethyl carbamate
    —— 4,5-dibromo-2-(2'-hydroxybenzoyl)pyrrole 31161-53-2 C11H7Br2NO2
    4,5-dibromo-2-(2'-hydroxybenzoyl)pyrrole
    —— 4-n-propylthiete 1,1-dioxide 154012-37-0 C6H10O2S
    4-n-propylthiete 1,1-dioxide
    —— 4-Bromomethyl-1,5-diphenyl-1H-pyrazole 153863-71-9 C16H13BrN2
    4-Bromomethyl-1,5-diphenyl-1H-pyrazole
    —— 4-Amino-6-(methyl-phenyl-amino)-1H-[1,3,5]triazin-2-one 130747-38-5 C10H11N5O
    4-Amino-6-(methyl-phenyl-amino)-1H-[1,3,5]triazin-2-one
    —— 4-dipropylamino-1-morpholino-1-cyclohexene 152763-95-6 C16H30N2O
    4-dipropylamino-1-morpholino-1-cyclohexene
    —— 4-carbethoxy-2,6-dimethyl-1,1-dioxo-5,6-dihydro-2H-1,2,6-thiadiazin-5-ylacetate 133116-79-7 C12H20N2O6S
    4-carbethoxy-2,6-dimethyl-1,1-dioxo-5,6-dihydro-2H-1,2,6-thiadiazin-5-ylacetate
    —— 4-(Bromomethyl)-1-phenyl-5-propan-2-ylpyrazole 153863-68-4 C13H15BrN2
    4-(Bromomethyl)-1-phenyl-5-propan-2-ylpyrazole
    —— 4-(3-Carboxybutanoyloxy)-2-methyl-4-oxobutanoic acid 142204-06-6 C10H14O7
    4-(3-Carboxybutanoyloxy)-2-methyl-4-oxobutanoic acid
    —— 4-Methoxycarbonyl-2-methylpyrazole-3-diazonium 1376484-10-4 C6H7N4O2
    4-Methoxycarbonyl-2-methylpyrazole-3-diazonium
    —— (4-nitrophenyl)methyl (2S,7R,8R)-9-oxo-4-phenoxy-8-[(2-thiophen-2-ylacetyl)amino]-6-thia-1,3-diazabicyclo[5.2.0]non-3-ene-2-carboxylate 92613-86-0 C26H22N4O7S2
    (4-nitrophenyl)methyl (2S,7R,8R)-9-oxo-4-phenoxy-8-[(2-thiophen-2-ylacetyl)amino]-6-thia-1,3-diazabicyclo[5.2.0]non-3-ene-2-carboxylate
    —— 4-Ethyl-6,7-dimethylquinoline 88499-97-2 C13H15N
    4-Ethyl-6,7-dimethylquinoline
    —— (4E,8E,10E,2S,3R,)-N-[(2'R)-2'-(hydroxyhexadecanoyl)amido]-9-methyloctadeca-4,8,10-triene-1,3-diol 1220969-49-2 C35H65NO4
    (4E,8E,10E,2S,3R,)-N-[(2'R)-2'-(hydroxyhexadecanoyl)amido]-9-methyloctadeca-4,8,10-triene-1,3-diol
    —— (4-nitrophenyl)methyl (2R,5R,6S)-6-ethyl-3,7-dioxo-1-azabicyclo[3.2.0]heptane-2-carboxylate 79252-31-6 C16H16N2O6
    (4-nitrophenyl)methyl (2R,5R,6S)-6-ethyl-3,7-dioxo-1-azabicyclo[3.2.0]heptane-2-carboxylate
    —— 4-<N-Formyl-N-<(1S)-(methoxycarbonyl)-2-methylpropyl>amino>-7-hexylindole 121705-93-9 C21H30N2O3
    4-<N-Formyl-N-<(1S)-(methoxycarbonyl)-2-methylpropyl>amino>-7-hexylindole
    —— (4R)-4-phenacyl-azetidin-2-one 88139-46-2 C11H11NO2
    (4R)-4-phenacyl-azetidin-2-one
    —— (4R)-4-[2-Oxo-2-(pyridin-2-yl)ethyl]azetidin-2-one 88139-43-9 C10H10N2O2
    (4R)-4-[2-Oxo-2-(pyridin-2-yl)ethyl]azetidin-2-one
    —— (4aS,5aS,8aR,8bS)-7-(2-Chloro-4-fluoro-phenyl)-3,4a-dimethyl-4a,5a,8a,8b-tetrahydro-pyrrolo[3',4':4,5]furo[3,2-b]pyridine-6,8-dione 134220-43-2 C17H14ClFN2O3
    (4aS,5aS,8aR,8bS)-7-(2-Chloro-4-fluoro-phenyl)-3,4a-dimethyl-4a,5a,8a,8b-tetrahydro-pyrrolo[3',4':4,5]furo[3,2-b]pyridine-6,8-dione
    —— (4R)-4-<2-(2-furanyl)-2,2-dimethylthio>ethyl-azetidin-2-one 88139-85-9 C11H15NO2S2
    (4R)-4-<2-(2-furanyl)-2,2-dimethylthio>ethyl-azetidin-2-one
    —— (4S)-1-(t-butyldimethylsilyl)-4-(2,2-dimethylthio-2-phenylethyl)-2-azetidinone 88139-44-0 C19H31NOS2Si
    (4S)-1-(t-butyldimethylsilyl)-4-(2,2-dimethylthio-2-phenylethyl)-2-azetidinone
    —— (4-nitrophenyl)methyl 4-[(2R,3R)-3-[4-(2-methoxyethoxymethoxy)-1,1-dioxothian-4-yl]-4-oxoazetidin-2-yl]-3-oxobutanoate 98810-77-6 C23H30N2O11S
    (4-nitrophenyl)methyl 4-[(2R,3R)-3-[4-(2-methoxyethoxymethoxy)-1,1-dioxothian-4-yl]-4-oxoazetidin-2-yl]-3-oxobutanoate
    —— 4,6-diamino-1,2-dihydro-2,2-dimethyl-1-(3-azido-4-chlorophenyl)-1,3,5-triazine 155086-96-7 C11H13ClN8
    4,6-diamino-1,2-dihydro-2,2-dimethyl-1-(3-azido-4-chlorophenyl)-1,3,5-triazine
    —— (4bR,6R,7S,8R,8aS)-3-Fluoro-7,8-dihydroxy-6-hydroxymethyl-6,7,8,8a-tetrahydro-4bH-5,9-dioxa-1,4a-diaza-fluoren-2-one 102794-40-1 C10H11FN2O6
    (4bR,6R,7S,8R,8aS)-3-Fluoro-7,8-dihydroxy-6-hydroxymethyl-6,7,8,8a-tetrahydro-4bH-5,9-dioxa-1,4a-diaza-fluoren-2-one
    —— (4aS,5aS,8aR,8bS)-3,4a-Dimethyl-7-(2-nitro-phenyl)-4a,5a,8a,8b-tetrahydro-pyrrolo[3',4':4,5]furo[3,2-b]pyridine-6,8-dione 112251-46-4 C17H15N3O5
    (4aS,5aS,8aR,8bS)-3,4a-Dimethyl-7-(2-nitro-phenyl)-4a,5a,8a,8b-tetrahydro-pyrrolo[3',4':4,5]furo[3,2-b]pyridine-6,8-dione
    —— (4aS,5aS,8aR,8bS)-7-(2-Chloro-phenyl)-3,4a-dimethyl-4a,5a,8a,8b-tetrahydro-pyrrolo[3',4':4,5]furo[3,2-b]pyridine-6,8-dione 112251-43-1 C17H15ClN2O3
    (4aS,5aS,8aR,8bS)-7-(2-Chloro-phenyl)-3,4a-dimethyl-4a,5a,8a,8b-tetrahydro-pyrrolo[3',4':4,5]furo[3,2-b]pyridine-6,8-dione
    —— 4-diethylamino-3-methyl-but-3-en-2-one 73813-05-5 C9H17NO
    4-diethylamino-3-methyl-but-3-en-2-one
    —— 4-Nitrobiphenyl-2',3',4',5',6'-d5 64421-02-9 C12H9NO2
    4-Nitrobiphenyl-2',3',4',5',6'-d5
    —— (4-Tert-butylphenyl)-trichlorostannane 51729-80-7 C10H13Cl3Sn
    (4-Tert-butylphenyl)-trichlorostannane
    —— 4-Chloro-2-hydroxy-3,3-dimethylbutanenitrile 1384430-53-8 C6H10ClNO
    4-Chloro-2-hydroxy-3,3-dimethylbutanenitrile
    —— (4aS,5aS,8aR,8bS)-3,4a,7-Trimethyl-4a,5a,8a,8b-tetrahydro-pyrrolo[3',4':4,5]furo[3,2-b]pyridine-6,8-dione 112251-50-0 C12H14N2O3
    (4aS,5aS,8aR,8bS)-3,4a,7-Trimethyl-4a,5a,8a,8b-tetrahydro-pyrrolo[3',4':4,5]furo[3,2-b]pyridine-6,8-dione
    —— 4,6-diamino-1,2-dihydro-2,2-dimethyl-1-(3-amino-4-chlorophenyl)-1,3,5-triazine 155086-93-4 C11H15ClN6
    4,6-diamino-1,2-dihydro-2,2-dimethyl-1-(3-amino-4-chlorophenyl)-1,3,5-triazine
    —— 4,5-dimethoxy-2-methyl-1-(6-vinyl-benzo[1,3]dioxol-5-ylmethyl)-1,3-dihydro-isoindole 41759-44-8 C21H23NO4
    4,5-dimethoxy-2-methyl-1-(6-vinyl-benzo[1,3]dioxol-5-ylmethyl)-1,3-dihydro-isoindole
    —— (4S,6R)-2-Acetyl-4,6-dimethyl-cyclohexane-1,3-dione 134780-48-6 C10H14O3
    (4S,6R)-2-Acetyl-4,6-dimethyl-cyclohexane-1,3-dione
    —— 4,6-dimethoxy-2-benzofurancarboxamide 108656-13-9 C11H11NO4
    4,6-dimethoxy-2-benzofurancarboxamide
    —— 4-n-Propylmercapto-2-methylpyridin 5613-23-0 C9H13NS
    4-n-Propylmercapto-2-methylpyridin
    —— 4-methyl-7-allyloxy-8-allylquinolin-2-one 153142-06-4 C16H17NO2
    4-methyl-7-allyloxy-8-allylquinolin-2-one
    —— 4-Formylthieno<3,4-b>thiopen 25674-36-6 C7H4OS2
    4-Formylthieno<3,4-b>thiopen
    —— 4-formyl-3,5-dimethoxyphenoxyacetonitrile 108656-19-5 C11H11NO4
    4-formyl-3,5-dimethoxyphenoxyacetonitrile
    —— 4-methoxy<1,4>benzodioxino<2,3-c>pyridazine 152912-30-6 C11H8N2O3
    4-methoxy<1,4>benzodioxino<2,3-c>pyridazine
    —— 4-Acetyl-2-brom-pyrrol 16168-95-9 C6H6BrNO
    4-Acetyl-2-brom-pyrrol
    —— 4-methyl-6,8-diallyl-7-hydroxyquinolin-2-one 153142-09-7 C16H17NO2
    4-methyl-6,8-diallyl-7-hydroxyquinolin-2-one
    —— 4-methyl-6,8-diallyl-7-acetoxyquinolin-2-one 153142-12-2 C18H19NO3
    4-methyl-6,8-diallyl-7-acetoxyquinolin-2-one
    —— 4,4'-bis(4-chlorophenyldichloromethyl)diphenylmethane 150270-07-8 C27H18Cl6
    4,4'-bis(4-chlorophenyldichloromethyl)diphenylmethane
    —— 4-Benzoylphenyl octadecanoate 68030-08-0 C31H44O3
    4-Benzoylphenyl octadecanoate
    —— (4R,5S)-4-((S)-2-Benzyl-2,3,4,9-tetrahydro-1H-β-carbolin-1-ylmethyl)-5-hydroxymethyl-dihydro-furan-2-one 88901-86-4 C24H26N2O3
    (4R,5S)-4-((S)-2-Benzyl-2,3,4,9-tetrahydro-1H-β-carbolin-1-ylmethyl)-5-hydroxymethyl-dihydro-furan-2-one
    —— 4'a-methylspiro[1,3-dioxolane-2,2'-3,4-dihydro-1H-phenanthrene]-9'-one 149811-82-5 C17H18O3
    4'a-methylspiro[1,3-dioxolane-2,2'-3,4-dihydro-1H-phenanthrene]-9'-one