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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 4",11-di-O-benzylsulfonyl-8,9-anhydroerythromycin A 6,9-hemiacetal 110479-77-1 C51H77NO16S2
    4",11-di-O-benzylsulfonyl-8,9-anhydroerythromycin A 6,9-hemiacetal
    —— 4-Benzyloxymethyl-2-octadecyloxymethyl-[1,3]dioxolane 133415-56-2 C30H52O4
    4-Benzyloxymethyl-2-octadecyloxymethyl-[1,3]dioxolane
    —— 4-(Pentyloxy)benzene-1,2-diamine 86723-67-3 C11H18N2O
    4-(Pentyloxy)benzene-1,2-diamine
    —— (4E)-5-methylhepta-1,4-diene —— C8H14
    (4E)-5-methylhepta-1,4-diene
    —— (4bR,4cR,9bR,9cR)-7-Methoxy-4b,4c,9b-trimethyl-4b,4c,9b,9c-tetrahydro-benzo[b]cyclopropa[lm]fluoren-5-one 85749-78-6 C21H20O2
    (4bR,4cR,9bR,9cR)-7-Methoxy-4b,4c,9b-trimethyl-4b,4c,9b,9c-tetrahydro-benzo[b]cyclopropa[lm]fluoren-5-one
    —— [4-[(4-Fluorophenyl)methylidene]cyclohexa-2,5-dien-1-ylidene]-methyloxidanium 39769-54-5 C14H12FO
    [4-[(4-Fluorophenyl)methylidene]cyclohexa-2,5-dien-1-ylidene]-methyloxidanium
    —— 4-Propoxy-2-(trifluoromethyl)phenylamine 121307-28-6 C10H12F3NO
    4-Propoxy-2-(trifluoromethyl)phenylamine
    —— 4-Ethylsulfanylamino-benzoic acid tert-butyl ester 129666-07-5 C13H19NO2S
    4-Ethylsulfanylamino-benzoic acid tert-butyl ester
    —— (4R,5R)-(-)-5'-methoxy-2,2,5-trimethyl-3',4'-dihydrospiro<1,3-dioxolane-4,2'(1'H)-naphthalen>-8'-ol 100992-85-6 C16H22O4
    (4R,5R)-(-)-5'-methoxy-2,2,5-trimethyl-3',4'-dihydrospiro<1,3-dioxolane-4,2'(1'H)-naphthalen>-8'-ol
    —— (4aRS,7aSR)-1,2,3,4,4a,5-hexahydro-5,5-dimethylfurano<3,4-b>pyridin-7(7aH)-one 119071-79-3 C9H15NO2
    (4aRS,7aSR)-1,2,3,4,4a,5-hexahydro-5,5-dimethylfurano<3,4-b>pyridin-7(7aH)-one
    —— (4E)-4-(2-hydroxyethylidene)-6,6-dimethylcyclohex-2-en-1-ol 73891-29-9 C10H16O2
    (4E)-4-(2-hydroxyethylidene)-6,6-dimethylcyclohex-2-en-1-ol
    —— (4R,1'R)-2-chloro-4-hydroxy-4-(1'-hydroxyethyl)-4,1'-O-isopropylidene-2-cyclopenten-1-one 240818-82-0 C10H13ClO3
    (4R,1'R)-2-chloro-4-hydroxy-4-(1'-hydroxyethyl)-4,1'-O-isopropylidene-2-cyclopenten-1-one
    —— 4,6-bis-propylamino-1<i>H</i>-[1,3,5]triazine-2-thione 5210-78-6 C9H17N5S
    4,6-bis-propylamino-1<i>H</i>-[1,3,5]triazine-2-thione
    —— 4-(trimethylsiloxy)cyclohexanecarbonitrile 129372-23-2 C10H19NOSi
    4-(trimethylsiloxy)cyclohexanecarbonitrile
    —— 4a-methyl-1,2,3,4,4a,5-hexahydrophenazine 194301-55-8 C13H16N2
    4a-methyl-1,2,3,4,4a,5-hexahydrophenazine
    —— 4-Methyl-5,7-dioxo-4,5,6,7-tetrahydro-pyrazolo[4,3-d]pyrimidine-2-carboxylic acid ethyl ester 135347-77-2 C9H10N4O4
    4-Methyl-5,7-dioxo-4,5,6,7-tetrahydro-pyrazolo[4,3-d]pyrimidine-2-carboxylic acid ethyl ester
    —— 4-(β-Hydroxyethyl-amino)-2-(5'-nitro-2'-furyl)-thieno[2,3-d]pyrimidine 39606-93-4 C12H10N4O4S
    4-(β-Hydroxyethyl-amino)-2-(5'-nitro-2'-furyl)-thieno[2,3-d]pyrimidine
    —— 4-(2-Chlorophenyl)-3-phenyl-4H-1,2,4-triazole 88032-11-5 C14H10ClN3
    4-(2-Chlorophenyl)-3-phenyl-4H-1,2,4-triazole
    —— [4-(Chloromethyl)phenyl]sulfuramidous acid 142877-05-2 C7H8ClNO2S
    [4-(Chloromethyl)phenyl]sulfuramidous acid
    —— 4-Cyclohexyl-2-(ethylamino)benzoic acid 55377-19-0 C15H21NO2
    4-Cyclohexyl-2-(ethylamino)benzoic acid
    —— (4aR,5aS,8R,9S,10aR,12aS)-2,2-Dimethyl-9-vinyldecahydro-1,3,5,10-tetraoxabenzo[b]heptalen-8-ol 287959-29-9 C16H26O5
    (4aR,5aS,8R,9S,10aR,12aS)-2,2-Dimethyl-9-vinyldecahydro-1,3,5,10-tetraoxabenzo[b]heptalen-8-ol
    —— 4-[(2'R,3'R,4'R,5'S)-5'-benzoyloxymethyl-3',4'-dibenzyloxy-N-benzyloxycarbonylpyrrolidin-2'-yl]but-3-en-2-one 713122-86-2 C38H37NO7
    4-[(2'R,3'R,4'R,5'S)-5'-benzoyloxymethyl-3',4'-dibenzyloxy-N-benzyloxycarbonylpyrrolidin-2'-yl]but-3-en-2-one
    —— 4-bromo-2,5-diisopropylbenzenethiol 56723-18-3 C12H17BrS
    4-bromo-2,5-diisopropylbenzenethiol
    —— 4-Hydroxy-7-cyclohexylquinoline-3-carboxylic acid 55376-48-2 C16H17NO3
    4-Hydroxy-7-cyclohexylquinoline-3-carboxylic acid
    —— 4-Amino-2-cyclohexyl-anisol 55376-89-1 C13H19NO
    4-Amino-2-cyclohexyl-anisol
    —— 4-<(2-Methylhydrazino)-methyl>-3-chlor-benzamid 22517-60-8 C9H12ClN3O
    4-<(2-Methylhydrazino)-methyl>-3-chlor-benzamid
    —— 4-hydroxy-6-cyclohexyl-7-chloro-quinoline-3-carboxylic acid 55376-69-7 C16H16ClNO3
    4-hydroxy-6-cyclohexyl-7-chloro-quinoline-3-carboxylic acid
    —— 4-[2-(Phenylsulfanyl)ethoxy]benzene-1,2-diamine 58841-31-9 C14H16N2OS
    4-[2-(Phenylsulfanyl)ethoxy]benzene-1,2-diamine
    —— 4-(Benzenesulfonyl)-1,5-dimethyl-6,8-dioxabicyclo<3.2.1>octane 133834-70-5 C14H18O4S
    4-(Benzenesulfonyl)-1,5-dimethyl-6,8-dioxabicyclo<3.2.1>octane
    —— 4-amino-2,5-dimethyl-benzenesulfonic acid amide 59700-38-8 C8H12N2O2S
    4-amino-2,5-dimethyl-benzenesulfonic acid amide
    —— 4-(4-Hexylphenoxy)aniline 1244974-68-2 C18H23NO
    4-(4-Hexylphenoxy)aniline
    —— 4-Methyl-2-[(1H-pyrrole-2-carbonyl)oxy]pentanoic acid 60335-51-5 C11H15NO4
    4-Methyl-2-[(1H-pyrrole-2-carbonyl)oxy]pentanoic acid
    —— 4-methyl-4-[1-methyl-3-(2,6,6-trimethyl-2-cyclohexenyl)-2-propenyl]morpholinium iodide 36405-30-8 C18H32NO*I
    4-methyl-4-[1-methyl-3-(2,6,6-trimethyl-2-cyclohexenyl)-2-propenyl]morpholinium iodide
    —— 4-(4-chlorophenyl)-1,2,3,4-tetrahydro-7-hydroxy-2-methylisoquinoline 34041-71-9 C16H16ClNO
    4-(4-chlorophenyl)-1,2,3,4-tetrahydro-7-hydroxy-2-methylisoquinoline
    —— 4-(2-chloro-carbonyl-benzyl-thio)phenyl-acetyl chloride 55863-31-5 C16H12Cl2O2S
    4-(2-chloro-carbonyl-benzyl-thio)phenyl-acetyl chloride
    —— 4-(β-Aminoethyl-amino)-2-(5'-nitro-2'-furyl)-thieno[2,3-d]pyrimidine hydrochloride 39607-25-5 C12H11N5O3S*ClH
    4-(β-Aminoethyl-amino)-2-(5'-nitro-2'-furyl)-thieno[2,3-d]pyrimidine hydrochloride
    —— 4Thiomorpholino-2,6-dichloro-pyrimidine 53159-78-7 C8H9Cl2N3S
    4Thiomorpholino-2,6-dichloro-pyrimidine
    —— 4-(3-bromo-4-cyclohexyl-phenyl)-2-pentanol 59721-51-6 C17H25BrO
    4-(3-bromo-4-cyclohexyl-phenyl)-2-pentanol
    —— 4-Amino-2-dimethylaminochinazolin 40172-75-6 C10H12N4
    4-Amino-2-dimethylaminochinazolin
    —— 4-n-butyl-1-(1-imidazolyl)-isoquinoline-hydrochloride 55184-77-5 C16H17N3*ClH
    4-n-butyl-1-(1-imidazolyl)-isoquinoline-hydrochloride
    —— 4-Chloro-2-cyclopentyl-6-methoxy-2,5-dimethyl-indan-1,3-dione 57296-39-6 C17H19ClO3
    4-Chloro-2-cyclopentyl-6-methoxy-2,5-dimethyl-indan-1,3-dione
    —— 4-(3-Acetylamino-phenoxy)-3-nitro-5-sulfamoyl-benzoic acid 53136-73-5 C15H13N3O8S
    4-(3-Acetylamino-phenoxy)-3-nitro-5-sulfamoyl-benzoic acid
    —— 4-(p-Chlor-phenyl)-4-hydroxymethyl-cyclohexanon 61749-13-1 C13H15ClO2
    4-(p-Chlor-phenyl)-4-hydroxymethyl-cyclohexanon
    —— (4-amino-1H-pyrazolo[3,4-b]pyridin-5-yl)-thien-2-ylmethanone 61352-40-7 C11H8N4OS
    (4-amino-1H-pyrazolo[3,4-b]pyridin-5-yl)-thien-2-ylmethanone
    —— 4-Methyl-8-(trifluoromethyl)tetrazolo[1,5-a]quinoxaline 61148-37-6 C10H6F3N5
    4-Methyl-8-(trifluoromethyl)tetrazolo[1,5-a]quinoxaline
    —— 4,6-dimethyl-4,5-dihydro-tetrazolo[1,5-<i>a</i>]quinoxaline 61546-97-2 C10H11N5
    4,6-dimethyl-4,5-dihydro-tetrazolo[1,5-<i>a</i>]quinoxaline
    —— 4-(4,6-dichloro-5-nitro-pyrimidin-2-yl)-piperazine-1-carboxylic acid ethyl ester 56032-74-7 C11H13Cl2N5O4
    4-(4,6-dichloro-5-nitro-pyrimidin-2-yl)-piperazine-1-carboxylic acid ethyl ester
    —— 4-[(1-piperidyl)carbonyl]-9-benzyl-1,2,3,4-tetrahydrocarbazole 59632-17-6 C25H28N2O
    4-[(1-piperidyl)carbonyl]-9-benzyl-1,2,3,4-tetrahydrocarbazole
    —— 4-(3,4-Dimethoxyphenyl)-4-(hydroxymethyl)cyclohexan-1-one 61749-15-3 C15H20O4
    4-(3,4-Dimethoxyphenyl)-4-(hydroxymethyl)cyclohexan-1-one
    —— 4-n-propyl-4'-hydroxydiphenylsulfone 138763-38-9 C15H16O3S
    4-n-propyl-4'-hydroxydiphenylsulfone