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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— (4'-<i>tert</i>-butyl-2,3,5,6-tetramethyl-benzhydrylidene)-dimethyl-ammonium; iodide 122679-96-3 C23H32N*I
    (4'-<i>tert</i>-butyl-2,3,5,6-tetramethyl-benzhydrylidene)-dimethyl-ammonium; iodide
    —— 4-Isopropylidene-[1,3]dithiolan-2-one 344324-01-2 C6H8OS2
    4-Isopropylidene-[1,3]dithiolan-2-one
    —— [4-(3-fluoro-4-phenylethynylphenylethynyl)phenylethynyl]trimethylsilane 518342-80-8 C27H21FSi
    [4-(3-fluoro-4-phenylethynylphenylethynyl)phenylethynyl]trimethylsilane
    —— 4-(tert-Butylimino)-6-(dicyclohexylamino)-3,4-dihydro-2-thioxo-2H-1,3,5-thiadiazin-3-thiocarbonsaeure-S-butylester 73280-27-0 C24H40N4OS3
    4-(tert-Butylimino)-6-(dicyclohexylamino)-3,4-dihydro-2-thioxo-2H-1,3,5-thiadiazin-3-thiocarbonsaeure-S-butylester
    —— 4-N-ethylsulfonylamino-6-methoxy-2,2-dimethylchroman 199586-61-3 C14H21NO4S
    4-N-ethylsulfonylamino-6-methoxy-2,2-dimethylchroman
    —— 4-{[6-(N-methoxycarbonylmethyl-quinolin-8-yl-sulphonylamino)-1-methyl-2-oxo-1,2-dihydroquinoxalin-3-yl]-methyl}-benzamidine-hydrochloride 246541-06-0 C29H26N6O5S*ClH
    4-{[6-(N-methoxycarbonylmethyl-quinolin-8-yl-sulphonylamino)-1-methyl-2-oxo-1,2-dihydroquinoxalin-3-yl]-methyl}-benzamidine-hydrochloride
    —— 4-Phenyl-2,6-bis[N,N-di(methoxycarbonylmethyl)aminomethyl]-pyridine 106023-89-6 C25H31N3O8
    4-Phenyl-2,6-bis[N,N-di(methoxycarbonylmethyl)aminomethyl]-pyridine
    —— 4-[5-(4,5-difluoro-2-methoxyphenoxy)pentoxy]benzenecarboximidamide monomethanesulfonate 147982-85-2 CH4O3S*C19H22F2N2O3
    4-[5-(4,5-difluoro-2-methoxyphenoxy)pentoxy]benzenecarboximidamide monomethanesulfonate
    —— 4-[(3S)-1-azabicyclo[2.2.2]oct-3-ylamino]-3-(1H-benzimidazol-2-yl)-6-fluoro-7-[(2-methylpropyl)amino]quinolin-2(1H)-one 405170-00-5 C27H31FN6O
    4-[(3S)-1-azabicyclo[2.2.2]oct-3-ylamino]-3-(1H-benzimidazol-2-yl)-6-fluoro-7-[(2-methylpropyl)amino]quinolin-2(1H)-one
    —— 4-(4-(4-hydroxy-4-phenyl)-1-piperidinyl)butyl-2,3,4,5-tetrahydro-1,4-benzodiazepine-3,5-dione 140691-43-6 C24H29N3O3
    4-(4-(4-hydroxy-4-phenyl)-1-piperidinyl)butyl-2,3,4,5-tetrahydro-1,4-benzodiazepine-3,5-dione
    —— 4-(4-bromobutyl)-8,11-dimethyl-3,5-dioxo-4-azatricyclo[5.2.2.0(2,6)]undec-8-en-1-yl acetate 1121666-91-8 C18H24BrNO4
    4-(4-bromobutyl)-8,11-dimethyl-3,5-dioxo-4-azatricyclo[5.2.2.0(2,6)]undec-8-en-1-yl acetate
    —— 4-{1-[4-(trifluoromethyl)phenyl]non-2-yn-1-yl}morpholine 1355023-11-8 C20H26F3NO
    4-{1-[4-(trifluoromethyl)phenyl]non-2-yn-1-yl}morpholine
    —— (4S)-5-acetyl-8-bromo-4-(4-nitrophenyl)-4,5-dihydro-1H-[1,5]benzodiazepin-2(3H)-one 1261084-25-6 C17H14BrN3O4
    (4S)-5-acetyl-8-bromo-4-(4-nitrophenyl)-4,5-dihydro-1H-[1,5]benzodiazepin-2(3H)-one
    —— 4-{3-[4-(benzyloxy)-3-methoxybenzyl]-7-fluoro-6-[2-fluoro-1-(fluoromethyl)ethoxy]-2,4-dioxo-3,4-dihydroquinazolin-1(2H)-yl}piperidine-1-carbaldehyde 1162650-88-5 C33H31F6N3O6
    4-{3-[4-(benzyloxy)-3-methoxybenzyl]-7-fluoro-6-[2-fluoro-1-(fluoromethyl)ethoxy]-2,4-dioxo-3,4-dihydroquinazolin-1(2H)-yl}piperidine-1-carbaldehyde
    —— 4-benzyl-1-methyl-3-(2,4,5-trimethoxy-3-methylphenylmethyl)-2,5-piperazinedione 120040-34-8 C23H28N2O5
    4-benzyl-1-methyl-3-(2,4,5-trimethoxy-3-methylphenylmethyl)-2,5-piperazinedione
    —— (4S,5R)-5-acetoxy-6-azido-4-(phenylmethoxy) hexanal 177723-44-3 C15H19N3O4
    (4S,5R)-5-acetoxy-6-azido-4-(phenylmethoxy) hexanal
    —— [4-(5-isopropyl-6-methoxymethoxy-4'-nitrobiphenyl-3-ylmethyl)-3,5-dimethylphenoxy]acetic acid ethyl ester 417871-76-2 C30H35NO7
    [4-(5-isopropyl-6-methoxymethoxy-4'-nitrobiphenyl-3-ylmethyl)-3,5-dimethylphenoxy]acetic acid ethyl ester
    —— 4-[(S)-2-({4-[2-((S)-2-cyclopropylcarbamoyl-pyrrolidin-1-yl)-2-oxo-ethoxy]-quinoline-2-carbonyl}-amino)-4-ethoxycarbonyl-butyryl]-piperazine-1-carboxylic acid ethyl ester trifluoroacetate 1073446-84-0 C2HF3O2*C34H44N6O9
    4-[(S)-2-({4-[2-((S)-2-cyclopropylcarbamoyl-pyrrolidin-1-yl)-2-oxo-ethoxy]-quinoline-2-carbonyl}-amino)-4-ethoxycarbonyl-butyryl]-piperazine-1-carboxylic acid ethyl ester trifluoroacetate
    —— 4-(7-nitro-3-oxo-2,3-dihydro-1,4-benzothiazepin-4(5H)-yl)butanoic acid 1556054-97-7 C13H14N2O5S
    4-(7-nitro-3-oxo-2,3-dihydro-1,4-benzothiazepin-4(5H)-yl)butanoic acid
    —— 4,7-Diamino-2-phenyl-pteridin-6-carbonsaeure-<2-diaethoxyaethyl>amid 13206-79-6 C19H23N7O3
    4,7-Diamino-2-phenyl-pteridin-6-carbonsaeure-<2-diaethoxyaethyl>amid
    —— 4-(2-Dimethylamino-ethyl)-3,3-diphenyl-1-ethyl-2-pyrrolidinon 17747-30-7 C22H28N2O
    4-(2-Dimethylamino-ethyl)-3,3-diphenyl-1-ethyl-2-pyrrolidinon
    —— 4-Diallylamino-5-nitro-isophthalonitrile 27595-50-2 C14H12N4O2
    4-Diallylamino-5-nitro-isophthalonitrile
    —— 4-(4-<i>sec</i>-butyl-2-propylsulfanyl-imidazole-1-carbonyl)-morpholine 56659-79-1 C15H25N3O2S
    4-(4-<i>sec</i>-butyl-2-propylsulfanyl-imidazole-1-carbonyl)-morpholine
    —— 4-Aminomethylbicyclo<2.2.2>oct-2-en-1-carbonsaeure 24539-29-5 C10H15NO2
    4-Aminomethylbicyclo<2.2.2>oct-2-en-1-carbonsaeure
    —— 4-(3-carboxypropyl)-4-methyl-3,4-dihydro-1-benzoxepin-5(2H)-one 116750-65-3 C15H18O4
    4-(3-carboxypropyl)-4-methyl-3,4-dihydro-1-benzoxepin-5(2H)-one
    —— 4-Sulfamoyl-benzoic acid 1-tert-butoxycarbonyl-pentyl ester 36204-16-7 C17H25NO6S
    4-Sulfamoyl-benzoic acid 1-tert-butoxycarbonyl-pentyl ester
    —— 4-butoxy-3-formylpyridine 1196088-23-9 C10H13NO2
    4-butoxy-3-formylpyridine
    —— (4a<i>r</i>,8a<i>c</i>)-decahydro-naphthalen-1<i>t</i>-ol 177766-83-5 C10H18O
    (4a<i>r</i>,8a<i>c</i>)-decahydro-naphthalen-1<i>t</i>-ol
    —— 4-Methoxy-benzoic acid (1S,2R,3S)-2,3-dibromo-cyclohexyl ester 108393-10-8 C14H16Br2O3
    4-Methoxy-benzoic acid (1S,2R,3S)-2,3-dibromo-cyclohexyl ester
    —— 4-(3-Acetoxy-phenyl)-3-ethyl-4-hydroxy-2-methyl-cyclohexanecarboxylic acid 27694-93-5 C18H24O5
    4-(3-Acetoxy-phenyl)-3-ethyl-4-hydroxy-2-methyl-cyclohexanecarboxylic acid
    —— 4-Acetamino-2-chlor-5-nitrobenzophenon 35137-83-8 C15H11ClN2O4
    4-Acetamino-2-chlor-5-nitrobenzophenon
    —— 4-acetyl-2,3-dihydro-3,3-dimethyl-5-hydroxy-2-(1-piperidino)benzo<b>furan 68085-22-3 C17H23NO3
    4-acetyl-2,3-dihydro-3,3-dimethyl-5-hydroxy-2-(1-piperidino)benzo<b>furan
    —— 4-methyl-4'-(carbonylamino(2-tert-butoxycarbonylamino)ethyl)-2,2'-bipyridyl 853002-97-8 C19H24N4O3
    4-methyl-4'-(carbonylamino(2-tert-butoxycarbonylamino)ethyl)-2,2'-bipyridyl
    —— 4-ethyl-6-(acetoxymethyl)isochroman-3-one 106520-50-7 C14H16O4
    4-ethyl-6-(acetoxymethyl)isochroman-3-one
    —— 4,4,4-Trichlor-2-phenyl-acetessigsaeure-methylester 91064-51-6 C11H9Cl3O3
    4,4,4-Trichlor-2-phenyl-acetessigsaeure-methylester
    —— 4-{N-[2-(4-fluoro-phenyl)-acetyl]-N'-methyl-N'-(2-methylsulfanyl-pyrimidine-4-carbonyl)-hydrazino}-piperidine-1-carboxylic acid tert-butyl ester 607721-56-2 C25H32FN5O4S
    4-{N-[2-(4-fluoro-phenyl)-acetyl]-N'-methyl-N'-(2-methylsulfanyl-pyrimidine-4-carbonyl)-hydrazino}-piperidine-1-carboxylic acid tert-butyl ester
    —— 4-Methyl-3-pentenyl O-(4,6-O-benzylidene-β-D-galactopyranosyl)-(1->4)-6-O-benzoyl-β-D-glucopyranoside 160835-48-3 C32H40O12
    4-Methyl-3-pentenyl O-(4,6-O-benzylidene-β-D-galactopyranosyl)-(1->4)-6-O-benzoyl-β-D-glucopyranoside
    —— (4-Nitrobenzyl)-α-amino-diethylphosphonoacetat 52039-23-3 C13H19N2O7P
    (4-Nitrobenzyl)-α-amino-diethylphosphonoacetat
    —— 4-(hydroxy-di-<i>o</i>-tolyl-methyl)-oxazolidin-2-one 62941-46-2 C18H19NO3
    4-(hydroxy-di-<i>o</i>-tolyl-methyl)-oxazolidin-2-one
    —— 4-(Chloro-dimethyl-silanyloxy)-4-ethynyl-1,2,5-trimethyl-piperidine 64176-13-2 C12H22ClNOSi
    4-(Chloro-dimethyl-silanyloxy)-4-ethynyl-1,2,5-trimethyl-piperidine
    —— 4-(1-Buten-1-yl)-3-methyl-5-propyl-2-cyclohexen-1-one 40920-54-5 C14H22O
    4-(1-Buten-1-yl)-3-methyl-5-propyl-2-cyclohexen-1-one
    —— 4-(1-ethyl-1-hydroxy-propyl)-oxazolidin-2-one 62941-65-5 C8H15NO3
    4-(1-ethyl-1-hydroxy-propyl)-oxazolidin-2-one
    —— 4-Ethynyl-1-methoxy-naphthalene-2-carboxylic acid 620166-01-0 C14H10O3
    4-Ethynyl-1-methoxy-naphthalene-2-carboxylic acid
    —— 4-Aethylamino-1,3-dimethyl-5-aethyl-uracil 99190-70-2 C10H17N3O2
    4-Aethylamino-1,3-dimethyl-5-aethyl-uracil
    —— 4-amino-2-(3-methylphenylmethylthio)-6-hydroxypyrimidine 166751-34-4 C12H13N3OS
    4-amino-2-(3-methylphenylmethylthio)-6-hydroxypyrimidine
    —— 4-(Fluoromethylsulfonyl)benzene-1,2-diamine 406199-02-8 C7H9FN2O2S
    4-(Fluoromethylsulfonyl)benzene-1,2-diamine
    —— 4-hydroxypent-3-en-2-one;lanthanum;dihydrate 64424-12-0 C15H28LaO8
    4-hydroxypent-3-en-2-one;lanthanum;dihydrate
    —— 4-Benzyloxy-2-imidazol-1-yl-7-methoxy-quinoline 300830-96-0 C20H17N3O2
    4-Benzyloxy-2-imidazol-1-yl-7-methoxy-quinoline
    —— 4-(4-methoxy-phenyl)-2,3-dihydro-benzo[<i>b</i>][1,4]thiazepine 26768-67-2 C16H15NOS
    4-(4-methoxy-phenyl)-2,3-dihydro-benzo[<i>b</i>][1,4]thiazepine
    —— 4-methoxynaphthalen-2-amine hydrochloride 2138116-14-8 C11H11NO*ClH
    4-methoxynaphthalen-2-amine hydrochloride