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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 4-Benzhydrylidene-[1,2]dioxane 128742-52-9 C17H16O2
    4-Benzhydrylidene-[1,2]dioxane
    —— 4,6-Dichloro-2-(difluoromethyl)-5-methylpyrimidine 1420297-73-9 C6H4Cl2F2N2
    4,6-Dichloro-2-(difluoromethyl)-5-methylpyrimidine
    —— 4-(1,3-dioxolan-2-yl)-2-(3-hydroxypropyl)cyclohexan-1-ol 102437-09-2 C12H22O4
    4-(1,3-dioxolan-2-yl)-2-(3-hydroxypropyl)cyclohexan-1-ol
    —— 4-(5-chloro-2-hydroxy-phenyl)-thiosemicarbazide 73305-15-4 C7H8ClN3OS
    4-(5-chloro-2-hydroxy-phenyl)-thiosemicarbazide
    —— (4S)-4-hydroxy-5-phenylmethoxypentanal 121087-02-3 C12H16O3
    (4S)-4-hydroxy-5-phenylmethoxypentanal
    —— 4-[4-(methylamino)piperidino]-6,7-dimethoxyquinazoline acetate 59184-95-1 C2H4O2*C16H22N4O2
    4-[4-(methylamino)piperidino]-6,7-dimethoxyquinazoline acetate
    —— 4-(1-(4-bromophenylimino)-2-(4-chlorophenyl)ethyl)benzene-1,2,3-triol 1224164-21-9 C20H15BrClNO3
    4-(1-(4-bromophenylimino)-2-(4-chlorophenyl)ethyl)benzene-1,2,3-triol
    —— 4-{1-[(S)-4-(2,3-dihydro-[1,4]dioxino[2,3-b]pyridin-3-yl)-benzyl]-piperidin-4-yl}-cyclohexanecarboxylic acid 1454650-97-5 C26H32N2O4
    4-{1-[(S)-4-(2,3-dihydro-[1,4]dioxino[2,3-b]pyridin-3-yl)-benzyl]-piperidin-4-yl}-cyclohexanecarboxylic acid
    —— 4-Phenyl-4-propionyloxy-3-piperidinomethyl-chroman 96456-63-2 C24H29NO3
    4-Phenyl-4-propionyloxy-3-piperidinomethyl-chroman
    —— 4-Phenyl-3,4-dihydro-1H-phthalazine-2-carboxamidine; compound with acetic acid 27225-78-1 C2H4O2*C15H16N4
    4-Phenyl-3,4-dihydro-1H-phthalazine-2-carboxamidine; compound with acetic acid
    —— 4-Amino-3-ethyl-chinolin 36022-67-0 C11H12N2
    4-Amino-3-ethyl-chinolin
    —— 4-Methyl-3-[methyl-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-amino]-piperidine-1-carboxylic Acid tetrahydro-furan-3-yl Ester 384335-51-7 C18H25N5O3
    4-Methyl-3-[methyl-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-amino]-piperidine-1-carboxylic Acid tetrahydro-furan-3-yl Ester
    —— 4-Hydroxy-2(5-isopropyl-5-methyl-4-oxo-2-imidazolin-2-yl)nicotinic acid 81335-15-1 C13H15N3O4
    4-Hydroxy-2(5-isopropyl-5-methyl-4-oxo-2-imidazolin-2-yl)nicotinic acid
    —— (+)-4-(1H-pyrrol-2-yl)-2-oxo-4-(4-bromophenyl)butyric acid methyl ester 1398244-49-9 C15H14BrNO3
    (+)-4-(1H-pyrrol-2-yl)-2-oxo-4-(4-bromophenyl)butyric acid methyl ester
    —— 4-[4,7-Bis(furan-2-yl)pyrazolo[1,5-a][1,3,5]triazin-2-yl]morpholine 1426137-84-9 C17H15N5O3
    4-[4,7-Bis(furan-2-yl)pyrazolo[1,5-a][1,3,5]triazin-2-yl]morpholine
    —— 4-Phenoxy-picolinsaeurehydrazid 25193-72-0 C12H11N3O2
    4-Phenoxy-picolinsaeurehydrazid
    —— 4-propoxy-pyridine-2,6-diamine 17827-91-7 C8H13N3O
    4-propoxy-pyridine-2,6-diamine
    —— (4-Chlorophenyl)[2-(trifluoromethoxy)phenyl]methanamine 1466763-07-4 C14H11ClF3NO
    (4-Chlorophenyl)[2-(trifluoromethoxy)phenyl]methanamine
    —— [4-[5,5-bis[(4S)-4-tert-butyl-4,5-dihydro-1,3-oxazol-2-yl]-1,3-dioxan-2-yl]phenyl]methoxy-tert-butyl-dimethylsilane 853065-18-6 C31H50N2O5Si
    [4-[5,5-bis[(4S)-4-tert-butyl-4,5-dihydro-1,3-oxazol-2-yl]-1,3-dioxan-2-yl]phenyl]methoxy-tert-butyl-dimethylsilane
    —— (4aR,6S,7R,8S,8aS)-8-hydroxy-2,2-dimethyl-6-((N-phenylacetamido)oxy)hexahydropyrano[3,2-d][1,3]dioxin-7-yl acetate 1376935-97-5 C19H25NO8
    (4aR,6S,7R,8S,8aS)-8-hydroxy-2,2-dimethyl-6-((N-phenylacetamido)oxy)hexahydropyrano[3,2-d][1,3]dioxin-7-yl acetate
    —— 4-{5-[(dimethylamino)methyl]pyridin-2-yl}-4-hydroxycyclohexanone 708273-81-8 C14H20N2O2
    4-{5-[(dimethylamino)methyl]pyridin-2-yl}-4-hydroxycyclohexanone
    —— 4,5-dinitro-2-methoxycarbonylthiophen 75735-43-2 C6H4N2O6S
    4,5-dinitro-2-methoxycarbonylthiophen
    —— 4-(4-amino-benzyl)-2-[3-(2-tert-butoxycarbonylamino-3-methyl-butyrylamino)-propoxy]-benzoic acid 929603-90-7 C27H37N3O6
    4-(4-amino-benzyl)-2-[3-(2-tert-butoxycarbonylamino-3-methyl-butyrylamino)-propoxy]-benzoic acid
    —— 4-(4-methoxy-phenyl)-5-phenyl-3<i>H</i>-oxazol-2-one 101274-25-3 C16H13NO3
    4-(4-methoxy-phenyl)-5-phenyl-3<i>H</i>-oxazol-2-one
    —— 4,5-dinonyl-3<i>H</i>-oxazol-2-one 102444-74-6 C21H39NO2
    4,5-dinonyl-3<i>H</i>-oxazol-2-one
    —— 4-pyrimidin-2-yl-piperidin-4-ol hydrochloride 1346014-76-3 C9H13N3O*ClH
    4-pyrimidin-2-yl-piperidin-4-ol hydrochloride
    —— 4-nitro-N-[3-[2-[3-(oxan-2-yloxy)prop-1-ynyl]phenyl]prop-2-ynyl]benzenesulfonamide 1374583-52-4 C23H22N2O6S
    4-nitro-N-[3-[2-[3-(oxan-2-yloxy)prop-1-ynyl]phenyl]prop-2-ynyl]benzenesulfonamide
    —— 4-(1-benzyl-2-methyl-5-phenyl-1H-pyrrol-3-yl)pyridine 1321508-65-9 C23H20N2
    4-(1-benzyl-2-methyl-5-phenyl-1H-pyrrol-3-yl)pyridine
    —— 4-p-methoxyphenylbicyclo(2.2.2)octane-2,3-dione 104306-61-8 C15H16O3
    4-p-methoxyphenylbicyclo(2.2.2)octane-2,3-dione
    —— (4R,5R)-5-(2-(2-((R,E)-6-hydroxyundec-3-en-1-yl)-1,3-dithian-2-yl)acetyl)-N-methoxy-N,2,2-trimethyl-1,3-dioxolane-4-carboxamide 1620004-62-7 C25H43NO6S2
    (4R,5R)-5-(2-(2-((R,E)-6-hydroxyundec-3-en-1-yl)-1,3-dithian-2-yl)acetyl)-N-methoxy-N,2,2-trimethyl-1,3-dioxolane-4-carboxamide
    —— 4,4'-<2-(2-amminofenossi)malonil>dimorfolina 108401-68-9 C17H23N3O5
    4,4'-<2-(2-amminofenossi)malonil>dimorfolina
    —— 4,4',4",4'"-(21H,23H-porphine-5,10,15,20-tetrayl)tetrakis<1-octylpyridinium> tetraiodide 104207-96-7 C72H94N8*4I
    4,4',4",4'"-(21H,23H-porphine-5,10,15,20-tetrayl)tetrakis<1-octylpyridinium> tetraiodide
    —— 4-(4-(2-ethylhexyloxy)-3-methylphenyl)-2-methylbut-3-yn-2-ol 1037168-30-1 C20H30O2
    4-(4-(2-ethylhexyloxy)-3-methylphenyl)-2-methylbut-3-yn-2-ol
    —— (+/-)-4-allyl-1-phenyl-2-(pyridin-3-ylmethyl)piperazine 1187387-61-6 C19H23N3
    (+/-)-4-allyl-1-phenyl-2-(pyridin-3-ylmethyl)piperazine
    —— 4-(1-benzenesulfonyl-1H-indol-5-ylmethoxymethyl)cyclohexanone 1184953-73-8 C22H23NO4S
    4-(1-benzenesulfonyl-1H-indol-5-ylmethoxymethyl)cyclohexanone
    —— 4,4'-dihydroxy-2,2'-bis(n-octyloxycarbonyl)biphenyl 1204409-11-9 C30H42O6
    4,4'-dihydroxy-2,2'-bis(n-octyloxycarbonyl)biphenyl
    —— (4-chloro-phenyl)-carbamic acid-(2-morpholino-ethyl ester) 107149-88-2 C13H17ClN2O3
    (4-chloro-phenyl)-carbamic acid-(2-morpholino-ethyl ester)
    —— 4-(8-{[7-chloro-1-(cyclopropyl)-1-1H-indol-3-yl]methyl}-1-oxa-2,8-diazaspiro[4.5]dec-2-en-3-yl)benzoic acid trifluoroacetate 1350759-05-5 C2HF3O2*C26H26ClN3O3
    4-(8-{[7-chloro-1-(cyclopropyl)-1-1H-indol-3-yl]methyl}-1-oxa-2,8-diazaspiro[4.5]dec-2-en-3-yl)benzoic acid trifluoroacetate
    —— 4-[[(3aR,5aR,5bR,7aR,9S,11aR,11bR,13aS)-3a-[[4-(2-aminoethyl)-5-(4-chlorophenyl)-1,2,4-triazol-3-yl]methyl]-5a,5b,8,8,11a-pentamethyl-2-oxo-1-propan-2-yl-4,5,6,7,7a,9,10,11,11b,12,13,13a-dodecahydro-3H-cyclopenta[a]chrysen-9-yl]oxy]-2,2-dimethyl-4-oxobutanoic acid 1449796-62-6 C46H65ClN4O5
    4-[[(3aR,5aR,5bR,7aR,9S,11aR,11bR,13aS)-3a-[[4-(2-aminoethyl)-5-(4-chlorophenyl)-1,2,4-triazol-3-yl]methyl]-5a,5b,8,8,11a-pentamethyl-2-oxo-1-propan-2-yl-4,5,6,7,7a,9,10,11,11b,12,13,13a-dodecahydro-3H-cyclopenta[a]chrysen-9-yl]oxy]-2,2-dimethyl-4-oxobutanoic acid
    —— 4,4'-{[6-(8-oxa-3-azabicyclo[3.2.1]oct-3-yl)pyrimidine-2,4-diyl]bis(4,1-phenylenecarbamoylimino)}dibenzamide 1250867-15-2 C38H35N9O5
    4,4'-{[6-(8-oxa-3-azabicyclo[3.2.1]oct-3-yl)pyrimidine-2,4-diyl]bis(4,1-phenylenecarbamoylimino)}dibenzamide
    —— 4-hydroxy-3,7-dimethyl-quinoline-2-carboxylic acid ethyl ester 62776-05-0 C14H15NO3
    4-hydroxy-3,7-dimethyl-quinoline-2-carboxylic acid ethyl ester
    —— 4(S)-benzyl-3(S)-methyl-2-oxoazetidine-1-carboxylic acid benzylamide 223266-57-7 C19H20N2O2
    4(S)-benzyl-3(S)-methyl-2-oxoazetidine-1-carboxylic acid benzylamide
    —— 4-(4-nitro-phenyl)-1-phenyl-[1,2,4]triazolidine-3,5-dione 63376-33-0 C14H10N4O4
    4-(4-nitro-phenyl)-1-phenyl-[1,2,4]triazolidine-3,5-dione
    —— 4-(o-Tolylazo)-o-tolyl isocyanide 3097-77-6 C15H13N3
    4-(o-Tolylazo)-o-tolyl isocyanide
    —— 4-methyl-piperazine-1-carboxylic acid 6-(4-nitro-phenyl)-7-oxo-2,3,6,7-tetrahydro-5<i>H</i>-[1,4]dithiino[2,3-<i>c</i>]pyrrol-5-yl ester 53788-04-8 C18H20N4O5S2
    4-methyl-piperazine-1-carboxylic acid 6-(4-nitro-phenyl)-7-oxo-2,3,6,7-tetrahydro-5<i>H</i>-[1,4]dithiino[2,3-<i>c</i>]pyrrol-5-yl ester
    —— 4,5,4',5'-tetraphenyl-4<i>H</i>,4'<i>H</i>-3,3'-(4,4'-ethene-1,2-diyl-diphenyl)-bis-[1,2,4]triazole 39664-44-3 C42H30N6
    4,5,4',5'-tetraphenyl-4<i>H</i>,4'<i>H</i>-3,3'-(4,4'-ethene-1,2-diyl-diphenyl)-bis-[1,2,4]triazole
    —— (4-Benzyloxycarbonyl-5-methyl-6H-1,3-thiazin-2-yl)-α-phenylacetamino-essigsaeure-benzylester 20077-61-6 C30H28N2O5S
    (4-Benzyloxycarbonyl-5-methyl-6H-1,3-thiazin-2-yl)-α-phenylacetamino-essigsaeure-benzylester
    —— [4-chloro-2-(4-chloro-benzyl)-pyrimidin-5-yl]-acetic acid ethyl ester 19900-34-6 C15H14Cl2N2O2
    [4-chloro-2-(4-chloro-benzyl)-pyrimidin-5-yl]-acetic acid ethyl ester
    —— 4,5,4',5'-tetramethoxy-1,1'-(1,2-bis-benzoyloxy-ethane-1,2-diyl)-bis-imidazolidin-2-one 16459-92-0 C26H30N4O10
    4,5,4',5'-tetramethoxy-1,1'-(1,2-bis-benzoyloxy-ethane-1,2-diyl)-bis-imidazolidin-2-one
    —— 4,4,5,5,6,6,7,7,8,8,9,9,10,10,11,11,12,12,13,13,14,14,15,15-Tetracosafluoro-15-(1,2,2,2-tetrafluoro-1-trifluoromethyl-ethoxy)-pentadec-1-ene 24961-69-1 C18H5F31O
    4,4,5,5,6,6,7,7,8,8,9,9,10,10,11,11,12,12,13,13,14,14,15,15-Tetracosafluoro-15-(1,2,2,2-tetrafluoro-1-trifluoromethyl-ethoxy)-pentadec-1-ene