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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 4-(((butylcarbamoyl)oxy)methyl)-2-methoxyphenyl acetate 1362456-67-4 C15H21NO5
    4-(((butylcarbamoyl)oxy)methyl)-2-methoxyphenyl acetate
    —— 4-tert.-Butyl-2-allyl-thiosemicarbazid 21076-15-3 C8H17N3S
    4-tert.-Butyl-2-allyl-thiosemicarbazid
    —— (4S)-1-[(2S,3S)-3-amino-2-hydroxy-4-phenylbutyryl]-4-chloro-N-t-butyl-L-prolinamide 166383-81-9 C19H28ClN3O3
    (4S)-1-[(2S,3S)-3-amino-2-hydroxy-4-phenylbutyryl]-4-chloro-N-t-butyl-L-prolinamide
    —— 4-(3-(4-(acridin-9-ylamino)phenyl)-1H-pyrazol-5-yl)phenol 1401513-18-5 C28H20N4O
    4-(3-(4-(acridin-9-ylamino)phenyl)-1H-pyrazol-5-yl)phenol
    —— (4-nitrophenyl)methyl 8-oxooct-2-ynoate 135520-64-8 C15H15NO5
    (4-nitrophenyl)methyl 8-oxooct-2-ynoate
    —— 4-Amino-6-chloro-2-(1-(3-ethyl-1-methyl-1H-pyrrolo[2,3-c]pyridin-5-yl)ethyl)thio-pyrimidine 1102066-76-1 C16H18ClN5S
    4-Amino-6-chloro-2-(1-(3-ethyl-1-methyl-1H-pyrrolo[2,3-c]pyridin-5-yl)ethyl)thio-pyrimidine
    —— 4-(4-methoxyphenyl)isoquinoline hydrochloride 146847-59-8 C16H13NO*ClH
    4-(4-methoxyphenyl)isoquinoline hydrochloride
    —— (4-Butoxy-phenyl)-(2-hydroxy-4-p-tolyloxy-phenyl)-methanone 35698-59-0 C24H24O4
    (4-Butoxy-phenyl)-(2-hydroxy-4-p-tolyloxy-phenyl)-methanone
    —— 4-[2(4-Hydroxy-1-butyn-1-yl)benzoyl]amino-N-methyl-N-[2-[5(4-methylpiperazin-1-yl)carbonylpent-1-yl]oxy]-phenylbenzamide hydrochloride 186658-95-7 C36H42N4O5*ClH
    4-[2(4-Hydroxy-1-butyn-1-yl)benzoyl]amino-N-methyl-N-[2-[5(4-methylpiperazin-1-yl)carbonylpent-1-yl]oxy]-phenylbenzamide hydrochloride
    —— 4-Amino-6-cyano-2-(1-(7-chloro-3-methylthieno[2,3-c]pyridin-5-yl)ethyl)thio-pyrimidine 1102066-80-7 C15H12ClN5S2
    4-Amino-6-cyano-2-(1-(7-chloro-3-methylthieno[2,3-c]pyridin-5-yl)ethyl)thio-pyrimidine
    —— 4,5,5-trimethyl-2-phenyl-2,5-dihydro-thiophene-3-carboxylic acid ethyl ester 66982-67-0 C16H20O2S
    4,5,5-trimethyl-2-phenyl-2,5-dihydro-thiophene-3-carboxylic acid ethyl ester
    —— 4-O-Aethyl-1,2,3,6-tetra-O-benzoyl-α-D-glucopyranose 68217-01-6 C36H32O10
    4-O-Aethyl-1,2,3,6-tetra-O-benzoyl-α-D-glucopyranose
    —— 4-amino-N-[[4-(diethylamino)-2-hydroxyphenyl]methylideneamino]benzamide 386236-19-7 C18H22N4O2
    4-amino-N-[[4-(diethylamino)-2-hydroxyphenyl]methylideneamino]benzamide
    —— 4-(4-Chlorothieno[3,2-d]pyrimidin-2-yl)benzonitrile 1043931-17-4 C13H6ClN3S
    4-(4-Chlorothieno[3,2-d]pyrimidin-2-yl)benzonitrile
    —— 4-Chlor-O-<4-chlor-phenoxycarbimidoyl>-benzaldoxim 7050-81-9 C14H10Cl2N2O2
    4-Chlor-O-<4-chlor-phenoxycarbimidoyl>-benzaldoxim
    —— 4-(4-isobutyramidophenyl)-4-oxobutyric acid 1266533-97-4 C14H17NO4
    4-(4-isobutyramidophenyl)-4-oxobutyric acid
    —— (4S,5R)-5-[(R)-1-(tert-butyldiphenylsilyloxy)allyl]-4-[(tert-butyldiphenylsilyloxy)methyl]oxazolidin-2-one 1430803-91-0 C39H47NO4Si2
    (4S,5R)-5-[(R)-1-(tert-butyldiphenylsilyloxy)allyl]-4-[(tert-butyldiphenylsilyloxy)methyl]oxazolidin-2-one
    —— 4-(3-isopropylthio-5-phenyl-1,2,4-triazol-1-yl)benzenesulfonamide 701639-22-7 C17H18N4O2S2
    4-(3-isopropylthio-5-phenyl-1,2,4-triazol-1-yl)benzenesulfonamide
    —— 4-Bromo-2-ethoxy-1-(trifluoromethyl)benzene 1026796-37-1 C9H8BrF3O
    4-Bromo-2-ethoxy-1-(trifluoromethyl)benzene
    —— 4-(((5-fluoro-2-hydroxyphenyl)(phenyl)methylene)amino)-N-methylbutanamide 62666-26-6 C18H19FN2O2
    4-(((5-fluoro-2-hydroxyphenyl)(phenyl)methylene)amino)-N-methylbutanamide
    —— (4-chlorophenyl)(2-isopropoxyphenyl)(4-methoxyphenyl)(4-methylphenyl)bismuthonium tetrafluoroborate 203342-14-7 BF4*C29H29BiClO2
    (4-chlorophenyl)(2-isopropoxyphenyl)(4-methoxyphenyl)(4-methylphenyl)bismuthonium tetrafluoroborate
    —— 4-((2S,4R)-1-(biphenyl-4-yl)-5-ethoxy-4-methyl-5-oxopentan-2-ylamino)-2,2,3,3-tetrafluoro-4-oxobutanoic acid 1257265-64-7 C24H25F4NO5
    4-((2S,4R)-1-(biphenyl-4-yl)-5-ethoxy-4-methyl-5-oxopentan-2-ylamino)-2,2,3,3-tetrafluoro-4-oxobutanoic acid
    —— 4-Amino-2-(4-bromphenyl)-amino-3,5-pyridindicarbonitril 112556-77-1 C13H8BrN5
    4-Amino-2-(4-bromphenyl)-amino-3,5-pyridindicarbonitril
    —— [4-Chloro-2-(4-fluoro-phenylsulfanyl)-phenyl]-methanol 54435-23-3 C13H10ClFOS
    [4-Chloro-2-(4-fluoro-phenylsulfanyl)-phenyl]-methanol
    —— 4-(<i>Z</i>)-chloromethylene-3-phenyl-1-oxa-3-aza-spiro[4.5]decan-2-one 57492-41-8 C15H16ClNO2
    4-(<i>Z</i>)-chloromethylene-3-phenyl-1-oxa-3-aza-spiro[4.5]decan-2-one
    —— (4-acetylamino-phenyl)-(3-nitro-phenyl)-iodonium ; iodide 110179-47-0 C14H12IN2O3*I
    (4-acetylamino-phenyl)-(3-nitro-phenyl)-iodonium ; iodide
    —— (4-nitrophenyl)imino-phenyl-propan-2-yl-λ4-sulfane 103375-37-7 C15H16N2O2S
    (4-nitrophenyl)imino-phenyl-propan-2-yl-λ4-sulfane
    —— 4,7β-Dimethyl-17β-hydroxy-4-aza-Androst-5-en-3-one 151192-93-7 C20H31NO2
    4,7β-Dimethyl-17β-hydroxy-4-aza-Androst-5-en-3-one
    —— 4'-O-benzyl-1'-O-[(1-O-p-methoxybenzyl-scyllo-inositol)carbonyloxy]-scyllo-inositol 929707-85-7 C28H36O14
    4'-O-benzyl-1'-O-[(1-O-p-methoxybenzyl-scyllo-inositol)carbonyloxy]-scyllo-inositol
    —— 4-Methoxy-1-benzoselenapyrylium-o-nitrobenzolsulfonat 62890-59-9 C6H4NO5S*C10H9OSe
    4-Methoxy-1-benzoselenapyrylium-o-nitrobenzolsulfonat
    —— 4,4-dimethyl-2-(2-morpholin-4-yl-cyclohex-1-enecarbonyl)-cyclopentanone 61579-97-3 C18H27NO3
    4,4-dimethyl-2-(2-morpholin-4-yl-cyclohex-1-enecarbonyl)-cyclopentanone
    —— 4-amino-2-(N,N-dimethylaminomethyleneamino)-6-(trimethylsilylethynyl)pteridine 1426333-67-6 C14H19N7Si
    4-amino-2-(N,N-dimethylaminomethyleneamino)-6-(trimethylsilylethynyl)pteridine
    —— 4-iodo-2-methyl-1,3,5-triphenyl-1H-pyrazol-2-ium tetrafluoroborate 1149362-05-9 BF4*C22H18IN2
    4-iodo-2-methyl-1,3,5-triphenyl-1H-pyrazol-2-ium tetrafluoroborate
    —— 4-chloro-1-(2-methylphenyl)-5-trifluoromethyl-1H-imidazole 1373874-84-0 C11H8ClF3N2
    4-chloro-1-(2-methylphenyl)-5-trifluoromethyl-1H-imidazole
    —— 4-(3-methoxyphenyl)-6-phenyl-2H-chromen-2-one 1431883-50-9 C22H16O3
    4-(3-methoxyphenyl)-6-phenyl-2H-chromen-2-one
    —— (4R,6S)-4-(tert-Butyl-diphenyl-silanyloxy)-6-{(E)-2-[4-(4-fluoro-phenyl)-2-isopropyl-6-phenyl-pyridin-3-yl]-vinyl}-tetrahydro-pyran-2-ol 122253-88-7 C43H46FNO3Si
    (4R,6S)-4-(tert-Butyl-diphenyl-silanyloxy)-6-{(E)-2-[4-(4-fluoro-phenyl)-2-isopropyl-6-phenyl-pyridin-3-yl]-vinyl}-tetrahydro-pyran-2-ol
    —— 4-(3-(4-chlorophenyl)acryloyl)phenyl 4-(hexadecyloxy)benzoate 1447720-47-9 C38H47ClO4
    4-(3-(4-chlorophenyl)acryloyl)phenyl 4-(hexadecyloxy)benzoate
    —— 4-bis(2'-iodoethyl)amino-N-tert-butyloxycarbonylaniline 528836-58-0 C15H22I2N2O2
    4-bis(2'-iodoethyl)amino-N-tert-butyloxycarbonylaniline
    —— 4-[3-(2,3-dihydro-1<i>H</i>-benzo[4,5]thiazolo[3,2-<i>a</i>]pyridin-4-yl)-cyclohex-2-enylidene]-1,2,3,4-tetrahydro-benzo[4,5]thiazolo[3,2-<i>a</i>]pyridinylium; iodide 58047-26-0 C28H27N2S2*I
    4-[3-(2,3-dihydro-1<i>H</i>-benzo[4,5]thiazolo[3,2-<i>a</i>]pyridin-4-yl)-cyclohex-2-enylidene]-1,2,3,4-tetrahydro-benzo[4,5]thiazolo[3,2-<i>a</i>]pyridinylium; iodide
    —— 4-ethyl-3-methylene-2-phenyl-2,3-dihydroisothiazole 1,1-dioxide 1262521-30-1 C12H13NO2S
    4-ethyl-3-methylene-2-phenyl-2,3-dihydroisothiazole 1,1-dioxide
    —— 4-(Aminomethyl)-N-[2-(5,6,7,8-tetrahydro-1,8-naphthyridin-2-yl)ethyl]benzenesulfonamide 1227094-33-8 C17H22N4O2S
    4-(Aminomethyl)-N-[2-(5,6,7,8-tetrahydro-1,8-naphthyridin-2-yl)ethyl]benzenesulfonamide
    —— 4-(4-anisoyl)-3-phenylsydnone 132785-00-3 C16H12N2O4
    4-(4-anisoyl)-3-phenylsydnone
    —— 4,4-dibenzyl-1,3-dichloro-2,5-dioxo-pyrrolidine-3-carbonitrile 35789-72-1 C19H14Cl2N2O2
    4,4-dibenzyl-1,3-dichloro-2,5-dioxo-pyrrolidine-3-carbonitrile
    —— 4-(3-aminopropyl)-3,4-dihydro-4-hydroxy-5-(trifluoromethyl)-2H-pyrazol-3-one hydrobromide 1190130-99-4 BrH*C7H10F3N3O2
    4-(3-aminopropyl)-3,4-dihydro-4-hydroxy-5-(trifluoromethyl)-2H-pyrazol-3-one hydrobromide
    —— 4-[2-(2,4-dichlorophenylthiazol)-4-yl]-2,6-dimethyl-3,5-diacethyl-1,4-dihydropyridine 1187020-66-1 C20H18Cl2N2O2S
    4-[2-(2,4-dichlorophenylthiazol)-4-yl]-2,6-dimethyl-3,5-diacethyl-1,4-dihydropyridine
    —— 4-pentanoyl-3-phenyl-5H-furan-2-one 1186524-65-1 C15H16O3
    4-pentanoyl-3-phenyl-5H-furan-2-one
    —— 4-Hydroxy-benzoic acid 5-(3-nitro-phenoxy)-pentyl ester 60222-43-7 C18H19NO6
    4-Hydroxy-benzoic acid 5-(3-nitro-phenoxy)-pentyl ester
    —— 4,6-dibutoxy-pyrimidin-2-ylamine 861031-34-7 C12H21N3O2
    4,6-dibutoxy-pyrimidin-2-ylamine
    —— 4-chloro-5-(4-cyano-6-trifluoromethyl-pyridin-3-yl)-2-(2-hydroxy-ethoxy)-N-methyl-N-pyridin-2-yl-benzenesulfonamide 1070973-56-6 C21H16ClF3N4O4S
    4-chloro-5-(4-cyano-6-trifluoromethyl-pyridin-3-yl)-2-(2-hydroxy-ethoxy)-N-methyl-N-pyridin-2-yl-benzenesulfonamide
    —— 4-chloro-3-(dimethylaminomethylene-sulfamoyl)-N-(2,2,6,6-tetramethyl-piperidin-4-yl)-benzamide 900165-54-0 C19H29ClN4O3S
    4-chloro-3-(dimethylaminomethylene-sulfamoyl)-N-(2,2,6,6-tetramethyl-piperidin-4-yl)-benzamide