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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 4-ethyl-4H-1,2,4-triazol-3-amine hydroiodide 1803601-25-3 C4H9IN4
    4-ethyl-4H-1,2,4-triazol-3-amine hydroiodide
    —— 4.6-Diamino-1.2-dihydro-1-<(6-chlor-1.3-benzodioxanyl-(8)-methoxy>-2.2-dimethyl-1.3.5-triazin 47299-86-5 C14H18ClN5O3
    4.6-Diamino-1.2-dihydro-1-<(6-chlor-1.3-benzodioxanyl-(8)-methoxy>-2.2-dimethyl-1.3.5-triazin
    —— 4-N-(adamantan-1-ylmethyl)-2-N-(tetrahydro-2H-pyran-4-yl)pyrazolo[1,5-a]pyridine-2,4-dicarboxamide 1069068-87-6 C25H32N4O3
    4-N-(adamantan-1-ylmethyl)-2-N-(tetrahydro-2H-pyran-4-yl)pyrazolo[1,5-a]pyridine-2,4-dicarboxamide
    —— (4S,6R,8R,9S,10S,11R)-4-[4-(dimethylamino)phenyl]-9,10,11-trihydroxy-8-(hydroxymethyl)-3-methyl-1,7-dioxa-3-azaspiro[5.5]undecan-2-one 1075227-94-9 C18H26N2O7
    (4S,6R,8R,9S,10S,11R)-4-[4-(dimethylamino)phenyl]-9,10,11-trihydroxy-8-(hydroxymethyl)-3-methyl-1,7-dioxa-3-azaspiro[5.5]undecan-2-one
    —— 4-{3-tert-butyl-5-[2-(7-fluoro-1-imino-5,6-dimethoxy-1,3-dihydro-isoindol-2-yl)-acetyl]-2-methoxy-phenoxy}-butyronitrile hydrobromide 474550-53-3 BrH*C27H32FN3O5
    4-{3-tert-butyl-5-[2-(7-fluoro-1-imino-5,6-dimethoxy-1,3-dihydro-isoindol-2-yl)-acetyl]-2-methoxy-phenoxy}-butyronitrile hydrobromide
    —— 4H-3-amino-2-butylnaphtho<2,3-f>isoquinoline-4,7,12-trione 155269-14-0 C21H18N2O3
    4H-3-amino-2-butylnaphtho<2,3-f>isoquinoline-4,7,12-trione
    —— 4-Chloro-benzoic acid methanesulfonyloxymethyl ester 31997-66-7 C9H9ClO5S
    4-Chloro-benzoic acid methanesulfonyloxymethyl ester
    —— 4-[2-(8-Cyclopropyl-[1,2,4]triazolo[4,3-b]pyridazin-3-yl)propan-2-yl]phenol 1073489-25-4 C17H18N4O
    4-[2-(8-Cyclopropyl-[1,2,4]triazolo[4,3-b]pyridazin-3-yl)propan-2-yl]phenol
    —— 4-{(S)-2-[(6-cyclopentyloxy-2-phenyl-pyrimidine-4-carbonyl)-amino]-3-hydroxy-propionyl}-piperazine-1-carboxylic acid ethyl ester 913946-75-5 C26H33N5O6
    4-{(S)-2-[(6-cyclopentyloxy-2-phenyl-pyrimidine-4-carbonyl)-amino]-3-hydroxy-propionyl}-piperazine-1-carboxylic acid ethyl ester
    —— 4-amino-2-(4-nitro-phenyl)-isoindoline-1,3-dione 107942-74-5 C14H9N3O4
    4-amino-2-(4-nitro-phenyl)-isoindoline-1,3-dione
    —— 4'-(3-(quinolin-2-yl)-5,6,7,8-tetrahydro-[1,2,4]triazolo[4,3-a]pyrazine-7-carbonyl)-[1,1'-biphenyl]-4-carbonitrile 1338373-18-4 C28H20N6O
    4'-(3-(quinolin-2-yl)-5,6,7,8-tetrahydro-[1,2,4]triazolo[4,3-a]pyrazine-7-carbonyl)-[1,1'-biphenyl]-4-carbonitrile
    —— 4-(4-Phenylsulfanyloxan-4-yl)-1,3,2-dioxathiepane 2-oxide 247019-89-2 C15H20O4S2
    4-(4-Phenylsulfanyloxan-4-yl)-1,3,2-dioxathiepane 2-oxide
    —— 4,4’-[5,5’-methylenedi-(1,3,4-thiadiazole-2-yl)]di(benzene-1,3-diol) 1447735-05-8 C17H12N4O4S2
    4,4’-[5,5’-methylenedi-(1,3,4-thiadiazole-2-yl)]di(benzene-1,3-diol)
    —— [4-(4-bromobutylsulfanyl)-3-methylpyridin-2-ylmethyl]quinolin-3-ylamine 251344-95-3 C20H22BrN3S
    [4-(4-bromobutylsulfanyl)-3-methylpyridin-2-ylmethyl]quinolin-3-ylamine
    —— 4-methoxycarbonylbicyclo{2.2.2}oct-1-yltrimethylstannane 105253-19-8 C13H24O2Sn
    4-methoxycarbonylbicyclo{2.2.2}oct-1-yltrimethylstannane
    —— 4-(trimethylgermyl)bicyclo{2.2.2}octan-1-ol 126256-88-0 C11H22GeO
    4-(trimethylgermyl)bicyclo{2.2.2}octan-1-ol
    —— 4-[<i>N</i>-(2,4-dimethyl-phenyl)-glycyl]-morpholine 109569-05-3 C14H20N2O2
    4-[<i>N</i>-(2,4-dimethyl-phenyl)-glycyl]-morpholine
    —— 4-Nitro-2-carbethoxy-diphenylamin 16587-76-1 C15H14N2O4
    4-Nitro-2-carbethoxy-diphenylamin
    —— 4-Benzyloxymethyl-5-(3,5-dichloro-phenylsulfanyl)-1-isopropyl-3-methyl-1H-pyrazole 412326-32-0 C21H22Cl2N2OS
    4-Benzyloxymethyl-5-(3,5-dichloro-phenylsulfanyl)-1-isopropyl-3-methyl-1H-pyrazole
    —— 4,4-Bis-(dimethylamino)-1,5-dimethyl-3-phenyl-2,6-dioxo-hexahydro-1,3,5-triazin 20931-68-4 C15H23N5O2
    4,4-Bis-(dimethylamino)-1,5-dimethyl-3-phenyl-2,6-dioxo-hexahydro-1,3,5-triazin
    —— 4-methoxy-<i>N</i>-[5-(4-methoxy-benzyl)-4,6-dioxo-1,4,5,6-tetrahydro-pyrimidin-2-yl]-benzenesulfonamide 57737-05-0 C19H19N3O6S
    4-methoxy-<i>N</i>-[5-(4-methoxy-benzyl)-4,6-dioxo-1,4,5,6-tetrahydro-pyrimidin-2-yl]-benzenesulfonamide
    —— 4-methylbenzenesulfonic acid;4-methyl-N-(propan-2-ylideneamino)aniline 58123-31-2 C7H8O3S*C10H14N2
    4-methylbenzenesulfonic acid;4-methyl-N-(propan-2-ylideneamino)aniline
    —— 4-nitro-pyridine-2,6-dicarboxylic acid dimethyl ester 58133-18-9 C9H8N2O6
    4-nitro-pyridine-2,6-dicarboxylic acid dimethyl ester
    —— 4-Benzylidenamino-3-methoxy-phenyl-acetat 49698-83-1 C16H15NO3
    4-Benzylidenamino-3-methoxy-phenyl-acetat
    —— 4-{2-[4-(2-chloro-phenyl)-piperazin-1-yl]-ethyl}-6-hydrazino-[1,3,5]triazin-2-ylamine 57639-60-8 C15H21ClN8
    4-{2-[4-(2-chloro-phenyl)-piperazin-1-yl]-ethyl}-6-hydrazino-[1,3,5]triazin-2-ylamine
    —— 4-(4-chlorophenyl)-2-(pyridin-2-yl)-5-thioxo-pyrido[2',3':4,5]pyrimido[2,1-b][1,3]thiazol-8-one 906652-87-7 C20H11ClN4OS2
    4-(4-chlorophenyl)-2-(pyridin-2-yl)-5-thioxo-pyrido[2',3':4,5]pyrimido[2,1-b][1,3]thiazol-8-one
    —— 4-(3-fluorophenyl)-N-((R)-1-(naphthalen-1-yl)ethyl)-3,4-dihydro-2H-benzo[b][1,4]oxazine-2-carboxamide 1401077-17-5 C27H23FN2O2
    4-(3-fluorophenyl)-N-((R)-1-(naphthalen-1-yl)ethyl)-3,4-dihydro-2H-benzo[b][1,4]oxazine-2-carboxamide
    —— 4-(5-hydroxy-naphtho[1,8-<i>bc</i>]thiophen-2-ylideneamino)-benzonitrile 62717-31-1 C18H10N2OS
    4-(5-hydroxy-naphtho[1,8-<i>bc</i>]thiophen-2-ylideneamino)-benzonitrile
    —— 4-fluoro-4-methoxy-1,3,5,7-tetramethyl-2,6-diethyl-8-H-4-bora-3a,4a-diaza-s-indacene 253169-80-1 C18H26BFN2O
    4-fluoro-4-methoxy-1,3,5,7-tetramethyl-2,6-diethyl-8-H-4-bora-3a,4a-diaza-s-indacene
    —— 4-{5-[(5-Ethyl-6-oxo-1,6-dihydropyridazin-3-yl)methyl]-2-fluorobenzoyl}-1,4-diazepan-1-ium trifluoroacetate 959839-24-8 C2HF3O2*C19H23FN4O2
    4-{5-[(5-Ethyl-6-oxo-1,6-dihydropyridazin-3-yl)methyl]-2-fluorobenzoyl}-1,4-diazepan-1-ium trifluoroacetate
    —— 4-[[6-chloro-3,5-dicyano-4-(4-methoxyphenyl)pyridin-2-yl]sulfanylmethyl]-N-methylpyridine-2-carboxamide 1353657-49-4 C22H16ClN5O2S
    4-[[6-chloro-3,5-dicyano-4-(4-methoxyphenyl)pyridin-2-yl]sulfanylmethyl]-N-methylpyridine-2-carboxamide
    —— 4-(4'-chlorophenyl)-6-(4''-hydroxyphenyl)-2-(furfuryl-2-yl-methylimino)pyrimidine 951778-40-8 C21H14ClN3O2
    4-(4'-chlorophenyl)-6-(4''-hydroxyphenyl)-2-(furfuryl-2-yl-methylimino)pyrimidine
    —— 4-amino-3-{5-[(2-piperidin-1-ylethyl)amino]-1H-benzimidazol-2-yl}quinolin-2(1H)-one 405169-45-1 C23H26N6O
    4-amino-3-{5-[(2-piperidin-1-ylethyl)amino]-1H-benzimidazol-2-yl}quinolin-2(1H)-one
    —— 4-{[(E)-4-Dimethylamino-phenylimino]-methyl}-benzaldehyde 100677-20-1 C16H16N2O
    4-{[(E)-4-Dimethylamino-phenylimino]-methyl}-benzaldehyde
    —— 4-((S)-6-Benzyloxycarbonylamino-2-{[4-(benzyloxycarbonylamino-methyl)-cyclohexanecarbonyl]-amino}-hexanoylamino)-benzoic acid methyl ester 138848-88-1 C38H46N4O8
    4-((S)-6-Benzyloxycarbonylamino-2-{[4-(benzyloxycarbonylamino-methyl)-cyclohexanecarbonyl]-amino}-hexanoylamino)-benzoic acid methyl ester
    —— (4RS,5SR)-5-Phenyl-2,4,8,8-tetramethyl-2-((trimethylsilyl)oxy)-3,7-nonanedione 123101-34-8 C22H36O3Si
    (4RS,5SR)-5-Phenyl-2,4,8,8-tetramethyl-2-((trimethylsilyl)oxy)-3,7-nonanedione
    —— 4-t-Butylthiocyclophosphamid 59863-10-4 C11H23Cl2N2O2PS
    4-t-Butylthiocyclophosphamid
    —— 4-[4-[5-amino-6-[3-(2-methoxy-6-methylphenyl)isoxazol-5-yl]pyrazin-2-yl]-2-pyridyl]piperidine-4-carbonitrile 1402389-24-5 C26H25N7O2
    4-[4-[5-amino-6-[3-(2-methoxy-6-methylphenyl)isoxazol-5-yl]pyrazin-2-yl]-2-pyridyl]piperidine-4-carbonitrile
    —— 4-(4-Bromo-2-nitro-benzenesulfonyl)-phenylamine 128749-54-2 C12H9BrN2O4S
    4-(4-Bromo-2-nitro-benzenesulfonyl)-phenylamine
    —— (4R,5R)-4-Iodo-9-deoxy-5,9α-epoxy-PGF<sub>1</sub> Methyl Ester 69171-24-0 C21H35IO5
    (4R,5R)-4-Iodo-9-deoxy-5,9α-epoxy-PGF<sub>1</sub> Methyl Ester
    —— 4-methyl-piperazine-1-carbothioic acid-(3-butoxy-anilide) 132570-14-0 C16H25N3OS
    4-methyl-piperazine-1-carbothioic acid-(3-butoxy-anilide)
    —— (+/-)-(4a<i>r</i>,8a<i>c</i>)-2,3,4,4a,5,6,7,8,8a,9-decahydro-1<i>H</i>-cyclopenta[<i>b</i>]naphthalene-1ξ-carboxylic acid 109104-78-1 C14H20O2
    (+/-)-(4a<i>r</i>,8a<i>c</i>)-2,3,4,4a,5,6,7,8,8a,9-decahydro-1<i>H</i>-cyclopenta[<i>b</i>]naphthalene-1ξ-carboxylic acid
    —— 4'-hydroxy-4',5'-dimethyl-1',3',4',5'-tetrahydro-spiro[piperidine-1,2'-pyrido[4,3-<i>b</i>]indolium]; iodide 109567-80-8 C18H25N2O*I
    4'-hydroxy-4',5'-dimethyl-1',3',4',5'-tetrahydro-spiro[piperidine-1,2'-pyrido[4,3-<i>b</i>]indolium]; iodide
    —— 4,6-Dimethoxy-5-nitro-salicylsaeure 90564-52-6 C9H9NO7
    4,6-Dimethoxy-5-nitro-salicylsaeure
    —— 4'-Nitro-azobenzol-carbonsaeure-(4)-n-pentylamid 95365-04-1 C18H20N4O3
    4'-Nitro-azobenzol-carbonsaeure-(4)-n-pentylamid
    —— 4-(1-ethoxycarbonyl-3-methyl-2-oxo-cyclopentyl)-valeric acid ethyl ester 101448-43-5 C16H26O5
    4-(1-ethoxycarbonyl-3-methyl-2-oxo-cyclopentyl)-valeric acid ethyl ester
    —— 4-Methyl-3-oxo-decahydro-naphthalin-2-carbonsaeure-methylester 91906-11-5 C13H20O3
    4-Methyl-3-oxo-decahydro-naphthalin-2-carbonsaeure-methylester
    —— 4-(4-hydroxyimino-valerylamino)-3-nitro-benzoic acid ethyl ester 109161-65-1 C14H17N3O6
    4-(4-hydroxyimino-valerylamino)-3-nitro-benzoic acid ethyl ester
    —— 4-(<i>N</i>-benzyloxycarbonyl-L-valyl=>glycyl=>L-phenylalanylamino)-1-(tetra-<i>O</i>-acetyl-β-D-glucopyranosyl)-1<i>H</i>-pyrimidin-2-one 105541-21-7 C42H50N6O15
    4-(<i>N</i>-benzyloxycarbonyl-L-valyl=>glycyl=>L-phenylalanylamino)-1-(tetra-<i>O</i>-acetyl-β-D-glucopyranosyl)-1<i>H</i>-pyrimidin-2-one
    —— 4β-<i>cis</i>-crotonoyloxy-2β,13-dihydroxy-apotrichothec-9-en-8-one 111587-12-3 C19H26O6
    4β-<i>cis</i>-crotonoyloxy-2β,13-dihydroxy-apotrichothec-9-en-8-one